ryc00039 htbuildsol 16pp - mccallum water heating · 2009-06-17 · the ht range is manufactured to...

The HT range is manufactured to Rycroft’s very high and exacting

standards and is offered with extended guarantee periods that

reflect the quality of the product range. Rycroft adhere to a strict

regime of approved procedures from design to dispatch. With full

accreditation to BS EN ISO 9001, you can be assured that the

appropriate controls are in place at every stage.

Standard sizing charts are provided for the HT range enabling you

to quickly and easily select products from the catalogue.

Our estimating and design team are available to provide

further support for non-standard enquiries, from our Ryco range,

and our sales support team are dedicated to giving a rapid

response to all price and delivery enquiries.

Rycroft is committed to providing a comprehensive range of high

quality equipment to the building services market sector and will

continue to improve and expand the HT range of products to

meet customer needs.

Building Services SolutionsRYCROFT’S NEW HT RANGE OF STORAGE, NON-STORAGE AND INSTANTANEOUS WATER HEATERS, HAS BEEN SPECIALLY DEVELOPED TO

MEET THE DEMANDS OF THE BUILDING SERVICES MARKET SECTOR. THE HT RANGE, GIVING GREATER CUSTOMER CHOICE, HAS EVOLVED

FROM THE STANDARD HEAT TRANSFER RANGE OF PRODUCTS. THIS RANGE HAS BEEN RE-DESIGNED BY RYCROFT’S TECHNICAL DESIGN

TEAM TO CREATE A STANDARD RANGE OF PRODUCTS, OFFERING IMPROVED LEAD TIMES, AS WELL AS A PRICING STRUCTURE THAT WILL

BENEFIT ALL CUSTOMERS.

• BUILDING SERVICES SOLUTIONS 1

• HT COTSWOLD RANGE 2–6

• HT CHARLTON RANGE 7–9

• HT OPTIMA RANGE 10–12

• HT BREEZE RANGE 13

• SIZING DATA FOR HT OPTIMA AND HT BREEZE RANGES 14

• ACCESSORIES 15

Contents

1

HT Cotswold RangeSteam Heated Non-storage Calorifiers, Calorifier/Condensate Coolers to BS 853

THE HT COTSWOLD RANGE OF STEAM/WATER CALORIFIERS AND CONDENSATE COOLERS IS BASED ON A PROVEN DESIGN TO

THE REQUIREMENTS OF BS 853. THE STANDARD RANGE OF CALORIFIERS AND PACKAGES ARE DESIGNED TO MEET MOST

MARKET REQUIREMENTS AND BY MANUFACTURING IN ECONOMIC ‘BATCHES’ CAN BE OFFERED ON SHORTER LEAD TIMES AND AT

COMPETITIVE PRICES.

The standard Calorifiers and Condensate Coolers are constructed

with welded mild steel shells, mild steel tube plates, solid drawn

copper ‘U’ tubes, and cast iron steam headers to the relevant

British Standards. Integron lowfin tubing is used for compact

efficient design. Standard flanging is to BS 4504 and screwed

connections to BSP. Internal tube support design, based on years

of heat exchanger experience, ensures a vibration-free operation,

with sufficient excess surface to allow for a reasonable degree of

fouling.

Sizing information is included in this brochure to determine the

calorifier required for duties within the ranges indicated, assuming

the following is known:

• Steam pressure – immediately prior to calorifier entry having

allowed for control valve pressure drop.

• Secondary water flow and return system temperatures.

Having thermally selected a unit, check the pressure drops and

connection sizes to ensure that the secondary resistance falls

within your system design capability. (If the sizing falls outside the

chart parameters, please contact our sales office for assistance).

Your system design should provide substantial secondary water

flow at all times.

Calorif iers are available in both horizontal and vertical

configurations. However, caution is advised with Vertical Units

using low pressure steam below about 1.4 Bar g (20 psig).

Excessive condensing of steam, in the rising side of the ‘U’ tubes,

could cause a certain amount of water logging, leading to noise

problems.

If vertical mounting is used, an additional small steam trap is

required on the steam inlet side. This is to drain any condensate

forming in the rising side of the ‘U’ tubes.

Rycroft do not advise oversizing a calorifier above the specific duty

required.

SHELL 3 YEARSBATTERY 2 YEARS

G U A R A N T E E

2

I N B R I E F

• Competitive prices yet manufactured to the highest

standards.

• Quick deliveries met by the use of 13 standard sizes.

• Modifications easily incorporated to your own specification.

• Full compliance with BS 853.

• Vertical or horizontal mounting.

• Technical advice and support from highly qualified Engineers.

Selection of HT Cotswold Non-storageCalorifiersCOTSWOLD STEAM/WATER CALORIFIERS ARE FITTED WITH A ‘U’ TUBE BATTERY AND ARE AVAILABLE IN THIRTEEN STANDARD SIZES,

FOR DUTIES UP TO 2,500 KW (8,530,000 BTUs/HOUR).

CHARTS 1 AND 2 CAN BE USED TO DETERMINE THE SIZE OF A HT COTSWOLD CALORIFIER TO SATISFY A GIVEN THERMAL LOAD,

KNOWING THE STEAM PRESSURE AT ENTRY TO THE CALORIFIER, AND ON THE BASIS THAT THE SECONDARY WATER TEMPERATURES ARE

WITHIN THE LIMITS SHOWN.

For sizing outside the limits of charts 1 and 2 please contact our

Technical Sales Office for details of our Ryco Range.

Charts 3 and 4 indicate the secondary water pressure drop

through your chosen unit. These pressure drops relate to our

standard design of unit and will vary if secondary connections are

different from standard.

Dimensional details of any unit selected can be found on page 5.

Example:

A HT Cotswold Calorifier is required to give an output of

1,000 kW using steam at 5.0 Bar g at the chest with secondary

water of 82°C flow, 71°C return.

From chart 2 a vertical line upwards from a steam pressure of

5.0 Bar g intersects the horizontal lines from 1,000 kW outputs

between the CT 082 and CT 101. The larger unit CT 101 must be

used.

From the equation below we can determine the flow rate is

21.7 litres per second and so from chart 4 we can read the

anticipated pressure drop for size CT 101 to be 10.6 kPa.

Conversion Factors

Flow rate equation:

kW =Btu/hr

3413Bar g =

psig

14.5litre/second =

G.P.M.

13.4Bar g =

kPa

100

SATURATED STEAM PRESSURE AT CALORIFIER CHEST BAR G

500

1.0

400

300

200

100

2.0 4.0 5.0 6.0 7.0

CALO

RIFI

ER O

UTPU

T kW

3.0

CT 062

CT 063

CT 061

CT 051

CT 032

CT 031

Chart 1

3

How to specify or order and remove

the possibility of errors or omission:

Supply One Cotswold Calorifier type CT

101 for horizontal, alternatively CT 101

for vertical mounting to give an output of

1,000 kW (3,413,000 BTUs per hour) with

steam at 5.0 Bar g (72.5 psig) after

control valve heating secondary water

from 71°C return to 82°C flow.

The calorifier is constructed to BS 853:1996 and suitable for a

maximum primary working pressure of 10 Bar g and secondary

working pressure of 7 Bar g.

All screwed (BSP) and flanged (BS 4504) connections are to Heat

Transfer standard drawing.

Please remember to state whether horizontal or vertical, the full

thermal details and any changes in materials or connections from

the standard arrangement to avoid misunderstanding.

NB:

The details given on the charts will enable engineers to size their

own heating calorifier for the majority of requirements but please

contact our sales office if further assistance is required or any of

the following conditions apply:

1. Steam primary contains more than 25°C of superheat.

2. Steam pressure is less than 1.5 Bar g.

3. Non-standard materials are required, eg. copper shell, brass

tubeplate, plain or indented tubes, etc.

4. Larger duties than those shown on charts 1 and 2 are required.

5. The secondary temperatures are outside 83°C/65°C.

litre/second =kW

temperature change °C x 4.187 kJ/kg °C

SATURATED STEAM PRESSURE AT CALORIFIER CHEST BAR G

3000

1.0

2000

1500

1000

500

2.0 4.0 5.0 6.0 7.0

CALO

RIFI

ER O

UTPU

T kW

3.0

CT 122

CT 123

CT 102

CT 101

CT 082

CT 081

2500

0

CT 121

To be used when Return Temperature is not less than 65˚Cand Flow Temperature is not higher than 83˚C

0

20

10

2 6 8 10 12

SEC.

PRE

SSUR

E DR

OP k

Pa

4

031, 032, 051

062063

SECONDARY WATER FLOW LITRES/SEC

061

SECONDARY WATER FLOW LITRES/SEC

0

30

20

10

10 30 40 50 6020

SEC.

PRE

SSUR

E DR

OP k

Pa

121101082

123122102081

Chart 2

Chart 3

Chart 4

4

Required forWithdrawal

A (SCREWED STEAM INLET)

S2 S3 S4

C

DE

F

RH

90J

S5

K

M

ML

A (FLANGED STEAM INLET)

G160

DIA BT2

N

PT1

T3

S1

T

S1

S2

T2

S3

S4

S5


R

T1

S5

3 Holes 22 Diaequally spaced

on a pcd

S

HT Cotswold RangeSizes and Dimensions

Dimensions in mm ± 5mm ConnectionsWT Flanged BS 4504 PN16 Unless Stated Otherwise

A B C D E F G H J K L M N P R S T EmptyModel kg S1 S2 T1 T2

CT031 664 89 615 515 300 90 535 230 60 78 105 70 21 20 410 292 841 25 11/2” BSP 11/2” BSP 3/4” BSP 1/2” BSPCT032 829 89 780 680 385 90 685 375 60 78 105 70 21 20 715 292 1006 28 11/2” BSP 11/2” BSP 3/4” BSP 1/2” BSPCT051 1115 140 1040 940 520 105 940 620 60 125 135 95 40 32 976 342 1292 53 2” BSP 2” BSP 1” BSP 1/2” BSPCT061 1123 168 1040 940 550 160 930 550 60 150 195 185 51 39 976 368 1300 76 80 80 2” BSP 3/4” BSPCT062 1263 168 1180 1080 620 160 1070 690 60 150 195 185 51 39 1130 368 1440 80 80 80 2” BSP 3/4” BSPCT063 1433 168 1350 1250 705 160 1250 865 60 150 195 185 51 39 1281 368 1610 86 80 80 2” BSP 3/4” BSPCT081 1248 219 1137 1037 605 170 989 555 100 200 220 210 66 57 1005 420 1448 118 100 100 21/2” BSP 1” BSPCT082 1628 219 1517 1417 795 170 1369 935 100 200 220 210 66 57 1315 420 1828 137 100 100 21/2” BSP 1” BSPCT101 1525 273 1300 1200 700 205 1150 680 100 240 245 235 88 92 1185 478 1797 200 150 150 80 11/2” BSPCT102 1755 273 1530 1430 820 205 1375 910 100 240 245 235 88 92 1412 478 2032 217 150 150 80 11/2” BSPCT121 1649 324 1375 1275 750 230 1190 700 100 280 275 265 110 105 1211 530 1925 274 200 200 100 11/2” BSPCT122 1879 324 1605 1505 870 230 1400 910 100 280 275 265 110 105 1440 530 2155 297 200 200 100 11/2” BSPCT123 2104 324 1830 1730 980 230 1620 1130 100 280 275 265 110 105 1670 530 2380 319 200 200 100 11/2” BSP

Connection Schedule

S1 Secondary water inlet S3 Safety valve connection (Size – Job Specific)S2 Secondary water outlet S4 Secondary pressure gauge connection (3/8” BSP)T1 Primary steam inlet S5 Drain-shell (3/4” BSP)T2 Primary condensate outlet T3 Primary pressure gauge connection (3/8” BSP)

Shell side Tube side

Maximum design pressure 7.7 Bar g 10 Bar g

Hydraulic test pressure 11.55 Bar g 15 Bar g

Unit design code BS 853 1996 BS 853 1996

Materials

Shell – Carbon Steel

Header – Cast Iron

Tubes – Copper

Tubeplate – Carbon Steel

Feet – Carbon Steel

Jackscrews fitted for shell and header.

Vent secondary side off pipework.

Horizontal Installation

Vertical Installation

5

T1

T2

F H

K

J

G L

N

View on A

T3

C

D

C

A (Ref)

160

95 E

DIA R

BRequired forWithdrawal

P

View A

HT Cotswold Calorifier/Condensate CoolersSizes and Dimensions

Dimensions in mm ± 5mm ConnectionsWT Flanged BS 4504 PN16 Unless Stated Otherwise

A B C D E F G H J K L M N P R EmptyModel kg S1 S2 T1 T2

CC031 750 615 535 230 60 440 105 265 70 20 84 375 78 410 89 59 11/2” BSP 11/2” BSP 3/4” BSPCC032 915 780 685 375 60 440 105 265 70 20 84 375 78 715 89 65 11/2” BSP 11/2” BSP 3/4” BSPCC051 1200 1040 940 620 60 575 135 345 95 32 95 430 125 976 140 115 2” BSP 2” BSP 1” BSPCC061 1220 1040 930 550 60 750 195 370 185 39 144 505 150 976 168 167 80 80 2” BSPCC062 1360 1180 1070 690 60 750 195 370 185 39 144 505 150 1130 168 175 80 80 2” BSPCC063 1530 1350 1250 865 60 750 195 370 185 39 144 505 150 1281 168 187 80 80 2” BSPCC081 1370 1137 989 555 100 850 220 420 210 57 154 605 200 1005 219 266 100 100 21/2” BSPCC082 1750 1517 1369 935 100 850 220 420 210 57 154 605 200 1315 219 304 100 100 21/2” BSPCC101 1645 1300 1150 680 100 950 245 470 235 92 157 660 240 1185 273 430 150 150 80CC102 1875 1530 1375 910 100 950 245 470 235 92 157 660 240 1412 273 464 150 150 80CC121 1770 1375 1190 700 100 1070 275 530 265 105 165 730 280 1211 324 588 200 200 100CC122 2000 1605 1400 910 100 1070 275 530 265 105 165 730 280 1440 324 634 200 200 100CC123 2225 1830 1620 1130 100 1070 275 530 265 105 165 730 280 1670 324 678 200 200 100

Connection Schedule

S1 Secondary water inlet S3 Safety valve connection (Size – Job Specific)S2 Secondary water outlet S4 Secondary pressure gauge connection (3/8” BSP)T1 Primary steam inlet S5 Drain-shell (3/4” BSP)T2 Primary condensate outlet T3 Primary pressure gauge connection (3/8” BSP)





MaterialsShell – Carbon Steel

Header – Cast Iron

Tubes – Copper



Primary Pipework Fittings –

Malleable Iron.

Horizontal Installation

CO

ND

ENSA

TE C

ON

NEC

TIO

N S

IZES

AR

EJO

B S

PEC

IFIC

Steam Pressure at Chest (Bar g)

kW 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0

100 CC061 CC051 CC051 CC051 CC051 CC051 CC051 CC051 CC051 CC051 CC051200 CC062 CC062 CC061 CC061 CC061 CC061 CC061 CC061 CC061 CC061 CC061300 CC081 CC063 CC063 CC063 CC062 CC062 CC062 CC062 CC061 CC061 CC061400 CC081 CC081 CC081 CC081 CC081 CC063 CC063 CC063 CC063 CC062 CC062500 CC082 CC082 CC081 CC081 CC081 CC081 CC081 CC081 CC081 CC081 CC063600 CC082 CC082 CC082 CC082 CC082 CC081 CC081 CC081 CC081 CC081 CC081700 CC101 CC082 CC082 CC082 CC082 CC082 CC082 CC082 CC081 CC081 CC081800 CC101 CC101 CC101 CC082 CC082 CC082 CC082 CC082 CC082 CC082 CC082900 CC102 CC101 CC101 CC101 CC101 CC082 CC082 CC082 CC082 CC082 CC0821000 CC102 CC102 CC102 CC101 CC101 CC101 CC101 CC082 CC082 CC082 CC0821100 CC121 CC121 CC102 CC102 CC101 CC101 CC101 CC101 CC101 CC082 CC0821200 CC122 CC121 CC121 CC102 CC102 CC102 CC101 CC101 CC101 CC101 CC1011300 CC122 CC122 CC121 CC121 CC102 CC102 CC102 CC101 CC101 CC101 CC1011400 CC122 CC122 CC122 CC121 CC121 CC102 CC102 CC102 CC102 CC101 CC1011500 CC123 CC122 CC122 CC122 CC121 CC121 CC102 CC102 CC102 CC102 CC1021600 CC123 CC123 CC122 CC122 CC122 CC121 CC121 CC121 CC102 CC102 CC1021700 CC123 CC123 CC122 CC122 CC122 CC121 CC121 CC121 CC121 CC1021800 CC123 CC123 CC122 CC122 CC122 CC121 CC121 CC121 CC1211900 CC123 CC123 CC122 CC122 CC122 CC121 CC121 CC1212000 CC123 CC123 CC123 CC122 CC122 CC122 CC122 CC1212100 CC123 CC123 CC123 CC122 CC122 CC122 CC1222200 CC123 CC123 CC123 CC122 CC122 CC1222300 CC123 CC123 CC123 CC123 CC122 CC1222400 CC123 CC123 CC123 CC123 CC1232500 CC123 CC123 CC123 CC1232600 CC123 CC123 CC1232700 CC123 CC1232800 CC123

Please contact

sales office for

special design.

Vent secondary side off pipework

Optional Trapset Assembly

6

SIGHT GLASS

STEAM TRAP

STRAINER

Selection of Charlton Non-storage HeatingCalorifiers

How to find the unit you need

Our sales office will be pleased to advise on precise selection of

HT Charlton Calorifiers using our computer based design and

quotations software.

The sizing procedure given below is to be used only for secondary

conditions of 82°C flow and 71°C return temperatures; and

where the difference between the primary return and secondary

flow temperatures is greater than 8.5°C.

Example:

A HT Charlton Calorifier is required to give an output of 1000 kW

using primary water 150°C flow, 110°C return, with secondary

water 82°C flow and 71°C return.

AMTD = (150 + 110) – (82 + 71) = 53.5°C

2 2

From the selection chart on page eight, the vertical line upwards

from an AMTD of 53.5°C intersects the horizontal line from

1000 kW output between the CH083 and CH101 units. The

larger unit CH101 must be used. Now check the primary flow to

see if a 2 or 4 pass unit is required.

Flow primary water = litres/sec. Output

(T1 – T2) x 4.1871000

= (150 – 110) x 4.18 = 5.98 litres/sec.*

From the flow rate table a 2 pass unit is required. The unit size is

therefore CH1012.

* If the flow rate is in excess of a 2 pass unit please contact our salesoffice.

Arithmetical mean temperature difference

(AMTD).

HT Charlton RangeWater to Water Calorifiers to BS 853

THE HT CHARLTON RANGE HAS BEEN RE-ENGINEERED WITH STANDARD COMPONENTS ALLOWING EASE OF MANUFACTURE AND THUS

REDUCING WORK COSTS. COMPONENTS ARE HELD IN STOCK FOR ALL EXCEPT THE TWO LARGEST DIAMETER UNITS. UNITS ARE

ASSEMBLED TO ORDER AND ARE AVAILABLE ON SHORT DELIVERY. AS A RESULT CUSTOMERS CAN BENEFIT FROM VOLUME PRODUCTION

BY RECEIVING LOWER PRICES, WHILST HIGH STANDARDS OF WORKMANSHIP AND RELIABILITY ARE MAINTAINED.

T1

T2

t2

t1AMTD = (T1 + T2) – (t1 + t2)

2 2

where

T1 = primary inlet temperature to calorifier

T2 = primary outlet temperature from calorifier

t1 = secondary inlet temperature to calorifier

t2 = secondary outlet temperature from calorifier

7


G U A R A N T E E

I N B R I E F

• Eleven standard sizes, meeting 95% of market needs.

• Modern high grade construction.

• High reliability in operation.

• The experience of 1000s of installations.

• Vertical or horizontal mounting.

• Extremely competitive pricing.

mary Flow Litres/sec.Size 2 pass 2 pass

CH051/CH052 1.90 0.95

CH061/CH062 2.65 1.33

CH081/CH082/CH083 5.88 2.94

CH101/CH102 11.36 5.68

CH121/CH122 15.78 7.89

CH141 20.20 10.10

Maximum Primary Flow Rates (Litres/Sec)

Model 2 pass 4 pass

Selection Chart

2000

1800

1600

1400

1200

600

400

200

800

20˚ 30˚ 40˚ 50˚ 60˚ 70˚ 80˚

CALO

RIFI

ER O

UTPU

T kW

1000

AMTD C˚

CH141

CH122

CH121

CH102

CH101

CH083

CH082

CH081

CH062

CH061

CH052

CH051

8

AMTD °C

To select model reference simply add a digit 2 or 4, relating to the pass required, after the unit reference.

Model details can be found on the next page.

Please see Maximum Primary Flow Rate table below to select 2 or 4 pass unit.


A

S1

T1 S2 S3

T3

S4

C

DE

F

K

L

R

GH

95

J

S5

T2

M

P

M

MN

B

T

S1

T1

S2

T2

S3

T3

S4

S5


R

‘A’ VIEW OF ‘A’

3 Holes 22 Diaequally spacedon an ‘S’ pcd

Dimensions in mm± 5mm ConnectionsWT Flanged BS 4504 PN16 Unless Stated Otherwise

Model A B C D E F G H J K L M N P R S T EmptyRef kg S1 S2 T1 T2

CH0512 785 142 705 630 376 122 314 172 60 – 62 127 135 125 650 210 791 48 2” BSP 2” BSP 1” BSP 1” BSPCH0514 785 142 705 630 376 122 314 172 60 – 62 127 135 125 650 210 791 48 2” BSP 2” BSP 1” BSP 1” BSPCH0522 1395 142 1315 1240 681 122 924 172 60 – 62 127 135 125 1260 210 1401 68 2” BSP 2” BSP 1” BSP 1” BSPCH0524 1395 142 1315 1240 681 122 924 172 60 – 62 127 135 125 1260 210 1401 68 2” BSP 2” BSP 1” BSP 1” BSPCH0612 1950 168 1710 1550 855 160 1185 155 60 140 215 185 195 150 1565 235 1956 102 80 80 50 50CH0614 1935 168 1710 1550 855 160 1185 155 60 125 215 185 195 150 1565 235 1941 100 80 80 40 40CH0622 2560 168 2320 2160 1160 160 1795 155 60 140 215 185 195 150 2180 235 2566 125 80 80 50 50CH0624 2545 168 2320 2160 1160 160 1795 155 60 125 200 185 195 150 2180 235 2551 123 80 80 40 40CH0812 1720 219 1445 1275 720 170 870 145 100 150 250 210 220 200 1295 318 1726 159 100 100 80 80CH0814 1685 219 1445 1275 720 170 870 145 100 140 215 210 220 200 1295 318 1691 157 100 100 50 50CH0822 2180 219 1905 1735 950 170 1330 145 100 150 250 210 220 200 1750 318 2186 188 100 100 80 80CH0824 2145 219 1905 1735 950 170 1330 145 100 140 215 210 220 200 1750 318 2151 185 100 100 50 50CH0832 2635 219 2360 2190 1180 170 1785 145 100 150 250 210 220 200 2210 318 2641 216 100 100 80 80CH0834 2600 219 2360 2190 1180 170 1785 145 100 140 215 210 220 200 2210 318 2606 214 100 100 50 50CH1012 2075 273 1780 1585 895 205 1160 130 100 160 270 235 245 240 1615 381 2081 263 150 150 100 100CH1014 2055 273 1780 1585 895 205 1160 130 100 150 250 235 245 240 1615 381 2061 259 150 150 80 80CH1022 2685 273 2390 2195 1200 205 1770 130 100 160 270 235 245 240 2225 381 2691 320 150 150 100 100CH1024 2665 273 2390 2195 1200 205 1770 130 100 150 250 235 245 240 2225 381 2671 316 150 150 80 80CH1212 2185 324 1820 1610 920 230 1135 155 100 195 340 265 275 280 1635 432 2191 372 200 200 150 150CH1214 2115 324 1820 1610 920 230 1135 155 100 160 270 265 275 280 1635 432 2121 363 200 200 100 100CH1222 2795 324 2430 2220 1225 230 1745 155 100 195 340 265 275 280 2245 432 2801 454 200 200 150 150CH1224 2725 324 2430 2220 1225 230 1745 155 100 160 270 265 275 280 2245 432 2731 445 200 200 100 100CH1412 2530 356 2165 1935 1090 250 1405 175 100 195 340 280 290 305 1955 483 2536 545 250 250 150 150CH1414 2460 356 2165 1935 1090 250 1405 175 100 160 270 280 290 305 1955 483 2466 535 250 250 100 100

Connection Schedule

S1 Secondary water inlet S3 Safety valve connection (Size – Job Specific)S2 Secondary water outlet S4 Secondary pressure gauge connection (3/8” BSP)T1 Primary water inlet S5 Drain-shell (3/4” BSP)T2 Primary return T3 Drain-header (3/4” BSP) (CH061–CH141 only)





HT CharltonSizes and Dimensions

MaterialsShell – Carbon Steel

Header – Carbon Steel*

Tubes – Copper



* CH051 and 052 units Cast Iron

Jackscrews fitted for shell and header.

Vent secondary side off pipework.

26

P

M

N

T1T2

29

29L

Alternative Chest Detail for CH051and CH052 Models.

Vertical Installation

Horizontal Installation – CH051 to CH141 units (see alternative chest detail for CH05 units)

9

Unvented Systems:

The HT Optima range of Calorifiers can be used in unvented

systems providing the safety requirements of Building Regulations

G3 are strictly adhered to. Pressure temperature relief valves and

thermal cut out devices must be fitted. It is important to note that

the method of sizing pressure temperature relief valves must

comply with BS 6283 including the appropriate derating factor

stipulated by the DOE. Please refer to Rycroft or the valve

manufacturer for further details.

Provision must be made for the expansion of water during heating

cycles. Rycroft offers a wide range of expansion vessels and

associated unvented fittings (including 20mm expansion relief

valves). Unvented skid mounted packages incorporating the HT

range of products are available, please refer to the sales

department for more details.

HT Optima RangeTHE HT OPTIMA RANGE OF STORAGE CALORIFIERS MEETS MOST HOT WATER REQUIREMENTS. THESE COMMERCIAL STORAGE

CALORIFIERS ARE BASED UPON RYCROFT’S QUALITY AND ENGINEERING EXPERTISE AND HAVE BEEN SPECIFICALLY DESIGNED FOR USE

WITHIN THE BUILDING SECTOR. HT OPTIMA STORAGE CALORIFIERS ARE AVAILABLE WITH REMOVABLE AND FIXED HEAT EXCHANGERS.

VERTICAL AND HORIZONTAL DESIGNS ARE AVAILABLE.

FACTORY FITTING OF INSULATION IS AVAILABLE AS AN OPTIONAL EXTRA FOR ALL HT OPTIMA STORAGE CALORIFIERS. THE INSULATION

COMPRISES OF AN 80 MM FIBREGLASS MATTRESS COMPRESSED TO 50 MM THAT IS ENCASED IN A RIGID GALVANISED OUTER CASE.

* Guarantee covers defective materials and/or workmanship.

** Dependent upon vessel requirements.

Technical Fixed Coil Removable U-TubeData Battery

Volume litres 360–1500 360–4000

Maximum SecondaryWorking Pressure Bar g 7 7

Maximum SecondaryWorking Temperature °C 75 75

Primary Up to Up toWorking Pressure Bar g ** 10 Maximum 17.5 Maximum

Maximum PrimaryWorking Temperature °C 200 300

Primary Mediums Water WaterSteam Steam

Shell Material Copper Copper

Heat Exchanger Material Copper Copper

Quality Standard BS EN ISO 9001 BS EN ISO 9001

Guarantee Period * Shell 2 years Shell 3 yearsHeat exchanger 2 years Heat exchanger 2 years

10

I N B R I E F

• Solid copper – 22 sizes to 10,000 litres.

• Galvanised mild steel – 22 sizes to 10,000 litres.

• Copper lined steel – 15 sizes to 10,000 litres.

STANDARD CONNECTIONSA Primary FlowB Primary ReturnC Secondary FlowD Secondary ReturnE Cold FeedF ThermometerG Safety ValveH Altitude GaugeJ DrainL Inspection OpeningM Thermostat x 2N Neck NBP Lifting Eyes x 2

OPTIONAL CONNECTIONSR Vent (if not off secondary pipework)S Bursting DiscT Anti-Vac Valve

Other connections available on request.

120mm A

B

D

D150mm

A

B

C

D

150mm

HT Optima – ‘U’ Tube Storage Calorifier

The dimensions shown should be used for general information only and aresubject to change at Rycroft Ltd’s discretion. Drawings are produced foreach order.* Weights are approximate and based on 2.7 Bar g design and 4.0 Bar gtest copper vessels.

Dimension Weight (kg)* InspectionCapacity Opening(Litres) A B C D Dry Wet Size

360 1500 600 1000 275 120 480 100mm440 1800 600 1300 275 140 580 100mm550 1700 675 1250 290 160 710 100mm700 1750 750 1275 310 190 890 125mm800 1950 750 1400 310 200 1000 125mm900 2000 800 1450 330 225 1125 125mm1000 1950 850 1400 330 250 1250 150mm1200 2100 900 1500 340 280 1480 150mm1350 2350 900 1675 340 300 1650 150mm1500 1950 1050 1400 395 365 1865 250mm1800 2300 1050 1650 395 405 2205 250mm2000 2500 1050 1775 395 430 2430 250mm2300 2400 1150 1700 420 500 2800 450mm2500 2450 1200 1750 435 510 3010 450mm3000 2900 1200 2050 435 585 3585 450mm3500 2700 1350 1900 480 715 4215 450mm4000 3050 1350 2150 480 770 4770 450mm

Dimensions

11


G U A R A N T E E

The U-tube battery is the most common type of heat exchanger

used in calorifier manufacturing. High efficiency tubes unaffected

by thermal expansion provide extremely high levels of reliability.

To ensure a high heat transfer capacity a wide range of multi-

pass exchangers are available.

Standard bundle arrangements are manufactured from 20mm

tube although other diameters are used depending upon the

duty requirement. Finned and plain tube options enable Rycroft

to offer economic solutions to meet the most demanding duties.

Tubes are generally expanded into the tube plates and do not

require sealing gaskets or ferrules. For high pressures and

temperatures, doubled grooved tube plates are offered.

For tube bundles with straight lengths greater than 1250mm

support baffles are fitted where appropriate.

In order to ease disassembly, batteries greater than 380mm in

diameter, calorifiers are fitted with a tapped hole to accept a

lifting eye. In addition runner wheels, collar bolts and starting

screws can be supplied.

Tubes are available in copper, stainless steel, 90/10 and 70/30

Cu-Ni.

HT Optima – Fixed Coil Storage Calorifier

The dimensions shown should be used for general information only and aresubject to change at Rycroft Ltd’s discretion. Drawings are produced foreach order.* Weights are approximate and based on 2.7 Bar g design and 4.0 Bar gtest copper vessels.

A

C

D

B

150

CENTRES TOSUIT HEATERAND DUTY

100

A

D

D

150

B

Dimension Weight (kg)* Coil InspectionCapacity Size Opening(Litres) A B C D Dry Wet Size

360 1500 600 1000 275 120 480 28mm 100mm440 1800 600 1200 275 140 580 28mm 100mm550 1700 675 1135 290 160 710 28mm 100mm700 1750 750 1165 310 190 890 35mm 125mm800 1950 750 1300 310 200 1000 35mm 125mm900 2000 800 1335 330 225 1125 35mm 125mm1000 1950 850 1300 330 250 1250 42mm 150mm1200 2100 900 1400 340 280 1480 42mm 150mm1350 2350 900 1565 340 300 1650 42mm 150mm1500 1950 1050 1300 395 365 1865 42mm 250mm

STANDARD CONNECTIONSA Primary FlowB Primary ReturnC Secondary FlowD Secondary ReturnE Cold FeedF ThermometerG Safety ValveH Altitude GaugeJ DrainL Inspection OpeningM Thermostat x 2P Lifting Eyes x 2

OPTIONAL CONNECTIONSR Vent (if not off secondary pipework)S Bursting DiscT Anti-Vac Valve

Other connections available on request.

Dimensions

12


G U A R A N T E E

The fixed copper coil is generally produced from a single tube

formed into a helical coil and can operate at a greater pressure

than a double tube exchanger. Unfortunately as the cylinder size

increases the length of heating coil becomes disproportionately

greater and this heater is therefore only practical for moderate

size cylinders.

The single coil is particularly useful for small flow rates with a

large temperature drop, such as those found in waste heat

recovery and solar heating installations.

Three diameters of copper coil are readily available, ie, 28, 35

and 42mm. Larger diameters are available, please contact our

sales department for details. All Rycroft coils are appropriately

stayed to ensure trouble free operation. For large primary flows,

double coil arrangements are also available. Coil connections are

generally positioned on the same side of the cylinder.

13

Default Settings

• 24-Hour Operation.

• Set Temperature.

• Time Display.

• Number of pumps fitted.

• Auto pump changeover on a timed basis.

• High temperature cut out (manual reset).

• Low temperature alarm.

• PID settings.

• Pump run on times.

Additional Settings

• Seven day calendar (two timed periods per day).

• Boost facility to activate the heater when in an OFF timed

period.

• Low temperature boost facility.

• Actuator output curve and speed adjustment.

• Night setback and pasteurisation feature.

Benefits

• Ideal for retrofit applications where access is limited or

upgrading of existing calorifiers is required.

• Hot water produced as required.

• Reduce the risk from legionnaires disease by reducing the hot

water storage requirements.

• Very compact design utilizing the benefits of plate heat

exchangers.

• Building Management System compatibility.

• Small area required for servicing.

• Negligible standing losses.

• Quick heat up and rapid response.

• Can be designed to be extended for future changes in

demand.

• Vented and unvented applications.

• Complete packaged unit ready for immediate use.

• Electrically self protecting pumps.

Combined Space/Water Heating Systems

Where the peak demand exceeds the available boiler power for

water heating, installation techniques may resolve the problem.

For example on a primary circuit, the HT Breeze must be the first

piece of equipment to be fed from the boiler. Under peak demand

conditions, the boiler power can be directed to the HT Breeze at

the expense of the space heating demand.

Generally for installations where the boiler capacity is insufficient

to meet the demand, a buffer vessel is connected in parallel with

the HT Breeze.

Rycroft have developed a range of buffer vessels specifically

designed to match the HT Breeze. Both vented and unvented

options are available and can be skid mounted to provide a

complete hot water package.

Controller Features

• Large, clearly visible display of day, time, temperature and

status.

• Process variable re-transmission.

• Remote set point adjustment.

• Remote enable/disable.

• Volt free change over fault contact.

• Displayed alarm messages.

• Runs to default settings on start up.

• Bar graph valve output indication.

• Three term modulating control (PID).

• Time boost facility.

• Dual primary pump (duty/standby plus auto change over) shunt

and secondary re-circulation pump control.

HT Breeze Instantaneous Water HeatersTHE HT BREEZE INSTANTANEOUS WATER HEATER PROVIDES AN ECONOMIC AND EASY TO USE SOLUTION FOR PROVIDING HOT WATER.

WHEN THE PACKAGE IS INSTALLED AND SWITCHED ON, THE SIMPLE TO USE CONTROLLER WILL RUN THE APPROPRIATE NUMBER OF

PUMPS AND CONTROL AT 60°C. THE FACTORY DEFAULT SETTINGS WILL SUIT 95% OF APPLICATIONS WITHOUT FURTHER ADJUSTMENT.

THESE DEFAULT SETTINGS ARE FREELY ADJUSTABLE AND ARE AS FOLLOWS.

1. Doy/Mode Display

2. Time/Alarm Display

3. Temperature/Parameter Display

4. High Temperature AlarmIndicator

5. Reset Pushbutton

6. Step Left Pushbutton

7. Value Increase Pushbutton

8. Step Right Pushbutton

9. Value Decrease Pushbutton

10. Mode Select Pushbutton

11. Pump Energised Indicator

12. Power On Indicator

13. System Healthy Indicator

14. System Fault Indicator

15. Valve Position Bar Display

16. On/Off Switch

1 2 3

4 5

15

13118

109

6

7

16

1412

14

HT Breeze – Available ModelsModel A B C D E F

Number 230 Volts 230 Volts 230 Volts 230 Volts 415 Volts 415 Volts1 phase Supply 1 phase Supply 1 phase Supply 1 phase Supply 3 phase Supply 3 phase Supply

Fused Protection Fused Protection O/Load protection O/Load protection O/Load protection O/Load protection3 Way Valve 4 Way Valve 3 Way Valve 4 Way Valve 3 Way Valve 4 Way Valve

CP-B25 ✓ ✓ ✓ ✓ ✓ ✓

CP-B50 ✓ ✓ ✓ ✓ ✓ ✓

CP-B75 ✓ ✓ ✓ ✓ ✓ ✓

CP-B100 ✓ ✓ ✓ ✓ ✓ ✓

CP-B125 ✓ ✓ ✓ ✓ ✓ ✓

CP-B150 ✓ ✓ ✓ ✓ ✓ ✓

CP-B200 ✓ ✓ ✓ ✓ ✓ ✓

CP-B250 ✓ ✓ ✓ ✓ ✓ ✓

CP-B300 ✓ ✓ ✓ ✓ ✓ ✓

CP-B350 ✓ ✓ ✓ ✓ ✓ ✓

CP-B400 ✓ ✓ ✓ ✓ ✓ ✓

CP-B450 ✘ ✘ ✓ ✓ ✓ ✓

CP-B500 ✘ ✘ ✓ ✓ ✓ ✓

All models are available with either single head or dual head primary pumps

The standard models have been designed to produce secondary water at 60°C from a cold feed of 10°C using a primary flow temperature of

82°C. Temperatures outside these parameters normally only require a modified plate pack arrangement and Rycroft would be pleased to

design this to meet your requirements. Please contact our technical department for further assistance.

Ordering Information

ie: HT Breeze fitted with a 230V single phase Dual Primary Pump protected via a 5A fuse and controlled using a 3 way valve and actuator.

Producing 1 litre/sec of secondary hot water at 60°C utilizing a cold feed temperature of 10°C and a primary flow temperature of 82°C.

Requirements Example

Select the required model number using the sizing information CP-B100

Determine the primary pump requirement DSingle or Dual Head (S or D)

Determine the power supply, control valve type and method ofpump protection and choose the option from the above table A

(A to F)

Order using the assembled model number CP-B100DA

Accessories• PRESSURE TEMPERATURE RELIEF VALVES • INSULATION

• ANTI-VACUUM VALVE • HIGH LIMIT CUT OUT

• BURSTING DISCS • MANHOLE

• ANODES • LOW WATER LEVEL SWITCH

• EXPANSION RELIEF VALVE • PRESSURE REDUCING VALVES

• EXPANSION VESSEL • CONTROL DEVICES

We can also offer:

• FULLY PACKAGED CONDENSATE COOLER UNITS • CONDENSATE PUMPING SETS

• PLATE HEAT EXCHANGER TO COMPLEMENT • SWIMMING POOL HEAT EXCHANGERS

• HT RANGE • BOOSTER SETS

• PRESSURISATION UNITS

• SPARES FOR EXISTING HEAT TRANSFER UNITS ARE ALSO AVAILABLE ON REQUEST.

Packages

Rycroft offer a complete package solution to meet the increasing demands for off-site fabrication. Our team of dedicated engineers, utilise

the latest computer design software, to ensure a prompt and precise response to engineering enquiries. All HT products can be supplied fully

packaged and skid mounted, offering ease of installation, equipment compatibility and factory commissioned reliability.

ryc00039 htbuildsol 16pp - mccallum water heating · 2009-06-17 · the ht range is manufactured to...

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