Quartz CWM 55 User manual

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TECHNICAL MANUAL
CWM: REMOTE WIRED CHILLED WATER HIGH WALL UNITS
CWM L: INFRARED CHILLED WATER HIGH WALL UNITS
GENERAL Part numbers, dimensions and weights 2
Unit features/accessories 2
Optional control valves, valve positions 3
PRODUCT Optional electric heating 3
SELECTION Airflows 3
Coil water volumes 3
Air throws 4
Hydraulic resistances 4
Sound power and pressure levels 4
Chilled water/low pressure hot water coil duties 5
INSTALLATION CWM (L) unpacking 8
Removing the case 8
Pipework 9
Interconnecting wiring, fuses 10
Gravity drain 10
Fitting the case 11
Fitting filters 11
Check list 11
MAINTENANCE User maintenance 12
OPTIONAL CWM wired remote controller (RCC 30) 13
CONTROLS CWM L infrared remote controller 14
WIRING CWM 15
DIAGRAMS CWM L 15
OPERATING CWM remote wired controller 13
INSTRUCTIONS CWM L infrared remote controller 16
CWM (L) KITS Electric heaters 18
5m high condensate pump 20
Programmable timer (for CWM) 22
Pipe thermostat (for 2 pipe heat/cool systems) 23
CWM (L) valve connections 24
Remote return air sensor (for RCC30 controller) 25
FAULT FINDING All models 25
COMPONENT Exploded view of chassis with component identification 26
IDENTIFICATION Exploded view of case 27
TEV Ltd.,
Armytage Road, Brighouse,
West Yorkshire, HD6 1QF, UK.
Tel: [phone]
Fax: [phone]
Email: [email protected] 97308102-04

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TEV LIMITED - CHILLED WATER HIGH WALL UNITS
The 973 series consists of CWM chilled water high wall units using remote wired controllers and CWM L chilled water
high wall units using infrared controllers.
PART NUMBERS - CWM (L) INDOOR UNITS
CWM CWM 55 CWM 75 CWM 105
97300001 97300002 97300003
CWM L CWM L 55 CWM L 75 CWM L105
97300004 97300005 97300006
UNPACKED DIMENSIONS AND WEIGHTS
Model
CWM (L)
55 75 105
HEIGHT mm 350 350 350
WIDTH mm 1200 1500 1800
DEPTH mm 223 223 223
WEIGHT kg 19 23 27
PACKED DIMENSIONS AND WEIGHTS
Model
CWM (L)
55 75 105
HEIGHT mm 295 295 295
WIDTH mm 1270 1570 1870
DEPTH mm 410 410 410
WEIGHT kg 23 28 33
FEATURES/ACCESSORIES
CWM CWM L
Top air discharge STD STD
Adjustable air deflection STD STD
Long life washable filter STD STD
3 fan speeds STD STD
Electric heating ** **
Remote hard wired control * ---
Remote temperature sensor ** ---
Programmable timer ** ---
Remote infrared control --- *
Gravity drain STD STD
5m high condensate pump ** **
Pipe thermostat (2 pipe H/C) ** **
Low Pressure Hot Water coil **
2 or 4 port valves **
STD = Standard * = factory option ** = site accessory ---- = not available
.
For group control systems, contact TEV Ltd. Technical Sales Department.

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OPTIONAL CONTROL VALVES
2 port on/off valves or 4 port diverting valves are available as factory fitted options.
(4 port modulating valves are also available - contact TEV Technical Sales Department).
2 pipe cool only systems require one valve per fan coil.
2 pipe heat/cool systems (supplied from a reverse cycle chiller, or chiller + boiler) require one valve: if using an
auto changeover thermostat, they also need a means of signalling heating or cooling status of the flow eg a pipe
thermostat (kit shown on page 23).
4 pipe systems require two valves (but no pipe thermostat is needed).
VALVE POSITIONS
ELECTRICAL LOADS (A)
CWM (L) Fan motor Electric heater
55 0.4 5.2
75 0.4 7.2
105 0.5 9.2
OPTIONAL ELECTRIC HEATING (kW)
CWM (L) 240V 50Hz 230V 50Hz
55 1.3 1.2
75 1.8 1.7
105 2.3 2.1
AIRFLOWS (m³/s)
CWM (L) LOW SPEED MEDIUM SPEED HIGH SPEED
55 0.17 0.19 0.28
75 0.24 0.31 0.37
105 0.25 0.34 0.49
COIL WATER VOLUMES (Litres)
CWM (L) Chilled water coil LPHW coil
55 1.6 0.18
75 2.0 0.24
105 2.5 0.30

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AIR THROWS
--o--o--O--O--O--o--o--
HYDRAULIC RESISTANCES
--o--o--O--O--O--o--o--
SOUND POWER and SOUND PRESSURE LEVELS
973 SERIES CWM (L) ( speed 1 = lowest, 3 = highest)
SOUND POWER LEVELS
SOUND PRESSURE LEVELSFrequency Hz
MODEL SPEED 125 250 500 1K 2K 4K dBA dBA NC
55 MIN 36.8 37 39.1 38.8 34.4 31.7 43 25 19
MED 41 43.4 45.8 45.1 39.6 35.4 49 31 25
MAX 46.7 48.6 50.6 50.4 46.6 39 54 37 31
75 MIN 39.1 44.3 47.2 46.8 41.6 40.8 51 33 27
MED 43.8 49.1 51.3 51.3 46.7 39.5 55 37 32
MAX 45.5 50.5 53.7 52.9 48.7 40.8 57 39 34
105 MIN 34.1 38 44 42.3 41 38 48 30 24
MED 42.7 45.8 48.9 49.1 44.2 38.1 53 35 30
MAX 46.4 51.6 54.2 54.2 49.9 42.9 57 40 35
Sound Power Levels obtained in conformance with BS 4196: Part 5: 1981. Values are shown in dB with a standard
reference of 1 pW.
Sound Pressure Levels are dB relative to 2 x 10-5N/m2and are calculated from results measured in anechoic conditions.
Values relate to a position of 3m away from the centre line of the unit, 1m down.

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WALL MOUNTED CHILLED WATER PERFORMANCE DATA (kW)
CWM (L) 55 COOLING DUTIES
Minimum Speed Medium Speed Maximum Speed
Room Air On CW Temperature 0.17 m3/s 0.19 m3/s 0.28 m3/s
db °C wb °C IN °C OUT °C Total Sensible Total Sensible Total Sensible
27 19 6 11 3.14 2.43 3.39 2.65 4.28 3.54
21 15 5 9 2 1.79 2.17 1.96 2.78 2.65
21 15 5 11 1.43 1.43 1.52 1.52 1.85 1.85
21 15 5 13 1.26 1.26 1.33 1.33 1.61 1.61
21 15 7 11 1.39 1.39 1.58 1.58 2.19 2.19
21 15 7 13 1.18 1.18 1.26 1.26 1.53 1.53
21 15 7 15 1.02 1.02 1.08 1.08 1.3 1.3
21 15 9 13 1.12 1.12 1.19 1.19 1.7 1.7
21 15 9 15 0.94 0.94 1 1 1.21 1.21
21 15 9 17 0.78 0.78 0.83 0.83 0.99 0.99
24 17 5 9 2.96 2.96 3.19 2.5 4.04 3.33
24 17 5 11 1.79 1.79 1.91 1.91 2.7 2.7
24 17 5 13 1.62 1.62 1.72 1.72 2.08 2.08
24 17 7 11 2.24 1.99 2.42 2.17 3.04 2.91
24 17 7 13 1.55 1.55 1.65 1.65 2.15 2.15
24 17 7 15 1.38 1.38 1.46 1.46 1.77 1.77
24 17 9 13 1.66 1.66 1.82 1.82 2.47 2.47
24 17 9 15 1.3 1.3 1.39 1.39 1.69 1.69
24 17 9 17 1.14 1.14 1.21 1.21 1.45 1.45
27 19 5 9 3.91 2.76 4.21 3 5.32 3.96
27 19 5 11 2.97 2.36 3.23 2.59 4.14 3.48
27 19 5 13 1.98 1.98 2.1 2.1 2.57 2.57
27 19 7 11 3.23 2.47 3.46 2.68 4.34 3.56
27 19 7 13 1.92 1.92 2.15 2.15 3.04 3.04
27 19 7 15 1.73 1.73 1.84 1.84 2.25 2.25
27 19 9 13 2.48 2.17 2.66 2.36 3.3 3.16
27 19 9 15 1.67 1.67 1.78 1.78 2.58 2.58
27 19 9 17 1.49 1.49 1.59 1.59 1.93 1.93
29 19 5 9 3.91 3.09 4.2 3.36 5.26 4.46
29 19 5 11 2.98 2.69 3.22 2.95 4.09 3.98
29 19 5 13 2.22 2.22 2.36 2.36 3.25 3.25
29 19 7 11 3.22 2.79 3.45 3.04 4.29 4.06
29 19 7 13 2.35 2.35 2.6 2.6 3.54 3.54
29 19 7 15 1.98 1.98 2.1 2.1 2.66 2.66
29 19 9 13 2.5 2.5 2.72 2.72 3.63 3.63
29 19 9 15 1.99 1.99 2.24 2.24 3.09 3.09
29 19 9 17 1.73 1.73 1.84 1.84 2.25 2.25
HEATING DUTIES
Minimum Speed Medium Speed Maximum Speed
Room Air On LPHW Temperature 0.17 m3/s 0.19 m3/s 0.28 m3/s
db °C wb °C/%RH IN °C OUT °C Total Total Total
20 12 82 71 1.1 1.17 1.46
10 50% 90 80 1.68 1.78 2.18
10 50% 90 75 1.4 1.5 1.87
10 50% 80 70 1.38 1.47 1.81
10 50% 80 65 0.99 1.08 1.41
10 50% 65 55 0.85 0.92 1.18
10 50% 65 50 0.57 0.59 0.65
15 50% 90 80 1.54 1.64 2.01
15 50% 90 75 1.25 1.34 1.68
15 50% 80 70 1.24 1.32 1.63
15 50% 80 65 0.73 0.75 1.19
15 50% 65 55 0.58 0.7 0.97
15 50% 65 50 0.5 0.51 0.57
20 50% 90 80 1.41 1.49 1.84
20 50% 90 75 1.09 1.18 1.49
20 50% 80 70 1.09 1.17 1.45
20 50% 80 65 0.65 0.67 0.75
20 50% 65 55 0.51 0.52 0.59
20 50% 65 50 0.42 0.44 0.48
25 50% 90 80 1.27 1.35 1.66
25 50% 90 75 0.92 1 1.29
25 50% 80 70 0.95 1.02 1.27
25 50% 80 65 0.57 0.59 0.66
25 50% 65 55 0.43 0.44 0.5
25 50% 65 50 0.35 0.37 0.4

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WALL MOUNTED CHILLED WATER PERFORMANCE DATA (kW)
CWM (L) 75 COOLING DUTIES
Minimum Speed Medium Speed Maximum Speed
Room Air On CW Temperature 0.24 m3/s 0.31 m3/s 0.37 m3/s
db °C wb °C IN °C OUT °C Total Sensible Total Sensible Total Sensible
27 19 6 11 5.14 3.72 6.18 4.55 6.94 5.2
21 15 5 9 3.29 2.73 4.02 3.38 4.55 3.89
21 15 5 11 2.05 2.05 2.34 2.34 2.54 2.54
21 15 5 13 1.79 1.79 2.02 2.02 2.19 2.19
21 15 7 11 1.98 1.98 2.72 2.72 3.18 3.18
21 15 7 13 1.7 1.7 1.93 1.93 2.09 2.09
21 15 7 15 1.44 1.44 1.63 1.63 1.75 1.75
21 15 9 13 1.61 1.61 1.84 1.84 2.38 2.38
21 15 9 15 1.34 1.34 1.52 1.52 1.65 1.65
21 15 9 17 1.1 1.1 1.24 1.24 1.33 1.33
24 17 5 9 4.83 3.52 5.79 4.3 6.51 4.91
24 17 5 11 2.62 2.58 2.97 2.97 3.74 3.74
24 17 5 13 2.31 2.31 2.63 2.63 2.85 2.85
24 17 7 11 3.75 3.05 4.51 3.74 5.07 4.29
24 17 7 13 2.23 2.23 2.55 2.55 2.77 2.77
24 17 7 15 1.96 1.96 2.22 2.22 2.41 2.41
24 17 9 13 2.5 2.5 3.14 3.14 3.63 3.63
24 17 9 15 1.87 1.87 2.13 2.13 2.32 2.32
24 17 9 17 1.62 1.62 1.83 1.83 1.97 1.97
27 19 5 9 6.33 4.25 7.56 5.15 8.47 5.86
27 19 5 11 4.81 3.58 5.89 4.43 6.67 5.09
27 19 5 13 2.9 2.82 3.24 3.24 3.53 3.53
27 19 7 11 5.31 3.79 6.33 4.61 7.08 5.26
27 19 7 13 2.77 2.77 4.34 3.81 5.01 4.43
27 19 7 15 2.49 2.49 2.83 2.83 3.08 3.08
27 19 9 13 4.2 3.33 5.01 4.07 5.59 4.66
27 19 9 15 2.41 2.41 2.76 2.76 3.64 3.64
27 19 9 17 2.14 2.14 2.43 2.43 2.63 2.63
29 19 5 9 6.42 4.76 7.66 5.79 8.58 6.6
29 19 5 11 4.97 4.11 6.05 5.08 6.83 5.84
29 19 5 13 3.21 3.21 3.66 3.66 3.99 3.99
29 19 7 11 5.41 4.3 6.44 5.25 7.2 6
29 19 7 13 3.5 3.5 4.57 4.48 5.21 5.19
29 19 7 15 2.85 2.85 3.25 3.25 3.54 3.54
29 19 9 13 4.32 3.84 5.14 4.7 5.73 5.39
29 19 9 15 2.77 2.77 3.85 3.85 4.5 4.5
29 19 9 17 2.49 2.49 2.84 2.84 3.08 3.08
HEATING DUTIES
Minimum Speed Medium Speed Maximum Speed
Room Air On LPHW Temperature 0.24 m3/s 0.31 m3/s 0.37 m3/s
db °C wb °C/%RH IN °C OUT °C Total Total Total
20 12 82 71 1.86 2.14 2.35
10 50% 90 80 2.64 3.02 3.31
10 50% 90 75 2.39 2.75 3.01
10 50% 80 70 2.24 2.56 2.8
10 50% 80 65 1.93 2.23 2.45
10 50% 65 55 1.57 1.82 2
10 50% 65 50 0.87 1.22 1.42
15 50% 90 80 2.45 2.8 3.06
15 50% 90 75 2.19 2.51 2.76
15 50% 80 70 2.04 2.33 2.55
15 50% 80 65 1.71 1.98 2.19
15 50% 65 55 1.36 1.58 1.74
15 50% 65 50 0.75 0.81 0.85
20 50% 90 80 2.25 2.57 2.82
20 50% 90 75 1.98 2.28 2.51
20 50% 80 70 1.84 2.11 2.31
20 50% 80 65 1.48 1.73 1.92
20 50% 65 55 1.14 1.33 1.47
20 50% 65 50 0.65 0.69 0.73
25 50% 90 80 2.05 2.35 2.57
25 50% 90 75 1.77 2.04 2.25
25 50% 80 70 1.63 1.88 2.06
25 50% 80 65 1.24 1.47 1.64
25 50% 65 55 0.89 1.06 1.19
25 50% 65 50 0.54 0.58 0.6

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WALL MOUNTED CHILLED WATER PERFORMANCE DATA (kW)
CWM (L) 105 COOLING DUTIES Minimum Speed Medium Speed Maximum Speed
Room Air On CW Temperature 0.25 m3/s 0.34 m3/s 0.49 m3/s
db °C wb °C IN °C OUT °C Total Sensible Total Sensible Total Sensible
27 19 6 11 6.1 4.23 7.63 5.39 9.68 7.07
21 15 5 9 4.05 3.16 5.12 4.06 6.54 5.36
21 15 5 11 2.33 2.33 2.74 2.74 4.05 4.05
21 15 5 13 2.04 2.04 2.38 2.38 2.81 2.81
21 15 7 11 2.74 2.57 3.59 3.38 4.63 4.52
21 15 7 13 1.93 1.93 2.26 2.26 2.69 2.69
21 15 7 15 1.65 1.65 1.92 1.92 2.25 2.25
21 15 9 13 1.82 1.82 2.62 2.62 3.6 3.6
21 15 9 15 1.53 1.53 1.79 1.79 2.11 2.11
21 15 9 17 1.27 1.27 1.46 1.46 1.71 1.71
24 17 5 9 5.63 3.97 7.04 5.06 8.93 6.63
24 17 5 11 3.09 2.86 5.28 4.27 6.89 5.73
24 17 5 13 2.63 2.63 3.09 3.09 3.67 3.67
24 17 7 11 4.5 3.46 5.63 4.42 7.13 5.83
24 17 7 13 2.53 2.53 3.28 3.28 4.81 4.81
24 17 7 15 2.23 2.23 2.62 2.62 3.1 3.1
24 17 9 13 3.23 2.92 4.09 3.77 5.17 5.03
24 17 9 15 2.12 2.12 2.5 2.5 3.79 3.79
24 17 9 17 1.84 1.84 2.15 2.15 2.53 2.53
27 19 5 9 7.22 4.74 9.01 6.01 11.39 7.82
27 19 5 11 5.98 4.18 7.55 5.36 9.64 7.06
27 19 5 13 3.43 3.13 3.81 3.81 7.09 6.02
27 19 7 11 6.13 4.24 7.63 5.39 9.62 7.05
27 19 7 13 4.71 3.64 6.02 4.71 7.69 6.26
27 19 7 15 2.82 2.82 3.33 3.33 4.89 4.89
27 19 9 13 4.96 3.74 6.17 4.77 7.75 6.28
27 19 9 15 2.72 2.72 4.17 3.99 5.5 5.41
27 19 9 17 2.43 2.43 2.85 2.85 3.39 3.39
29 19 5 9 7.32 5.29 9.13 6.72 11.51 8.78
29 19 5 11 6.12 4.74 7.71 6.08 9.8 8.03
29 19 5 13 3.63 3.63 5.31 5.07 7.37 7.02
29 19 7 11 6.24 4.79 7.76 6.1 9.76 8.01
29 19 7 13 4.89 4.2 6.2 5.43 7.88 7.23
29 19 7 15 3.22 3.22 3.81 3.81 6.11 6.11
29 19 9 13 5.08 4.29 6.31 5.48 7.9 7.24
29 19 9 15 3.6 3.6 4.75 4.75 6.38 6.38
29 19 9 17 2.82 2.82 3.33 3.33 5.14 5.14
HEATING DUTIES
Minimum Speed Medium Speed Maximum Speed
Room Air On LPHW Temperature 0.25 m3/s 0.34 m3/s 0.49 m3/s
db °C wb °C/%RH IN °C OUT °C Total Total Total
20 12 82 71 2.28 2.69 3.25
10 50% 90 80 3.18 3.74 4.52
10 50% 90 75 2.93 3.46 4.17
10 50% 80 70 2.7 3.18 3.84
10 50% 80 65 2.42 2.87 3.48
10 50% 65 55 1.96 2.33 2.82
10 50% 65 50 1.53 1.87 2.33
15 50% 90 80 2.94 3.47 4.19
15 50% 90 75 2.7 3.19 3.84
15 50% 80 70 2.47 2.91 3.51
15 50% 80 65 2.18 2.59 3.15
15 50% 65 55 1.72 2.05 2.49
15 50% 65 50 1.18 1.53 1.94
20 50% 90 80 2.71 3.2 3.86
20 50% 90 75 2.46 2.91 3.52
20 50% 80 70 2.24 2.64 3.19
20 50% 80 65 1.93 2.3 2.81
20 50% 65 55 1.47 1.76 2.15
20 50% 65 50 0.8 0.88 1.52
25 50% 90 80 2.48 2.92 3.53
25 50% 90 75 2.22 2.63 3.19
25 50% 80 70 2.01 2.37 2.86
25 50% 80 65 1.67 2.01 2.46
25 50% 65 55 1.22 1.47 1.8
25 50% 65 50 0.67 0.73 0.8

-8-
INSTALLATION
HANGING RAIL
FIXING THE HANGING RAIL
HANGING THE UNIT CHASSIS

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S = No Electric Heating / Sans Batterie Electrique / Ohne Elektroheizung
H = + Electric Heaters / + Batterie Electrique / Mit Elektroheizung
H = 1.3 kW (CWM 55) = 1.8 kW (CWM 75), = 2.3 kW (CWM 105) @ 230V
FUSE RATING / TAILLE DES DISJONCTEURS / EMPFOHLENE SICHERUNG (EN60269 / EN60898)
(A) CWM (L) S H
55 510
75 510
105 516

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FITTING THE CASE
FITTING THE FILTERS
CWM L INSTALLATION CHECK LIST Page Checked
1Is the unit square and level with the ceiling ? 9
2Is the pipework correctly supported throughout its length ? 5
3Is the pipework insulated right up to the unit ? 9
4Have all pipework joints been carefully checked for leaks ? -
5Is the fuse size correct ? 10
6Is the interconnecting wiring correct ? 10
7Does the system respond correctly to commands from the controller ? -
8Is the condensate drain correctly sized, connected, supported and insulated ? 10
9Has the effectiveness of condensate removal system been tested and there are no leaks ? -
10 Is the air distribution as required? -
CHECK LIST DE L’INSTALLATION DE CWM L Page Vérifié
1L’unité est-elle fixée de niveau ? 9
2Les tuyauteries sont-elles correctement fixées ? 5
3Avez-vous isolé les tuyauteries jusqu’au chássis de l’unité ? 9
4Avez-vous effectué une recherche de fuites ? -
5La taille du disjoncteur est-elle correcte ? 10
6Les câblages d’interconnexions sont-ills corrects ? 10
7Le système répond-t-il correctement à la télécommande ? -
8L’evacuation des condensats est-ell correctement raccordée, supportée et isolée ? 10
9Avez-vous vérifié le bon fonctionnement de l’évacuation des condensats et qu’il n’y a pas de fuites ? -
10 La distribution d’air est-elle correcte ? -
CWM L MONTAGE PRÜFLISTE Seite Geprüft
1Ist das Gerät waagerrecht und eben eingebaut ? 9
2Sind alle Rohrleitungen über deren gesamte Länge richtig befestigt ? 5
3Sind beide Leitungen bis zum Gerätegehäuse isoliert worden ? 9
4Sind alle Rohrleitungen und Verbindungen auf Leckagen untersucht worden ? -
5Ist die Sicherungsgröße richtig ? 10
6Ist die Verbindungsverdrahtung richtig ? 10
7Nimmt das System die Befehle des Reglers an ? -
8Ist die Tauwasserleitung richtig angeschlossen, aufgehängt und isoliert ? 10
9Prüfen Sie nach, ob daß Kondenswasser richtig abfliessen kann und keine
Leckstellen vorhanden sind ? -
10 Ist die Luftverteilung wie gewünscht ? -

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CWM (L) USER MAINTENANCE
ISOLATE THE UNIT ELECTRICALLY BEFORE COMMENCING ANY MAINTENANCE WORK
In order to maintain maximum efficiency of this unit, it is important that the filters behind the return air
grilles are cleaned regularly.
To remove filters:
Clean the filters by washing in tepid water, vacuuming or by tapping gently outside the building.
To replace filters:
THE UNIT SHOULD ALWAYS BE USED WITH A FILTER. FAILURE TO DO SO WILL CAUSE A
DECLINE IN UNIT PERFORMANCE AND MAY RESULT IN MALFUNCTION
We recommend that, in order to prolong the life and maintain performance of CWM (L) units, they are
regularly serviced by an TEV Ltd installer/dealer.
--o--o--O--O--O--o--o--

-12-

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The PCB is factory set for CWM L units.
No reconfiguration is needed, with or without an electric heater.
CWM L PCB CONFIGURATION
CWM L PCB (FACTORY CONFIGURED FOR CWM L UNITS: JUMPER JMODE NOT REQUIRED)
--o--o--O--O--O--o--o--
OPTIONAL CWM L REMOTE CONTROLLER
CWM L units use an electronic remote control (available separately, part number 55500309).
Any convenient number of units may be operated with one controller.
Infrared operation
Slide open the front cover: press down on the top at
the marked area and push off the cover.
Insert the batteries ensuring correct polarity.
The display will blank and reset.
Replace the cover by sliding into position.
Operating instructions are on page 16.
For convenience, the wall mounting bracket may be secured
to a wall and used to park the controller.
--o--o--O--O--O--o--o--
KEY TO WIRING DIAGRAMS
B Brown W White L Live S1 Condensate sensor
BL Blue Y Yellow M1 Fan motor TP1 Thermal protector
BK Black G/Y Green / yellow M2 Cond pump motor TP2 Thermal fuse
GRY Grey C Capacitor N Neutral V1 Cooling valve
P Pink EH Electric heater PE Protective earth V2 Heating valve
R Red F Fuse RY Relay - -> - - Not supplied
V Violet H Heat / heater RT Remote thermostat

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CWM WIRING DIAGRAM
CWM L WIRING DIAGRAM
OPTIONAL ACCESSORIES

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'L' INFRARED REMOTE CONTROL
• The handset should be pointed towards the unit.
• Two seconds after the last button press, the whole displayed programme is automatically transmitted.
• The unit responds with 1 beep.
• The transmit symbol Aflashes whilst transmission is taking place.
• Displayed values may be re-sent at any time by pressing the pink Hbutton twice.
1. Remote Controller Power Up
Slide down the cover and insert The initial display will show:
two "AAA" size 1.5V batteries.
COOL HIGH FAN SPEED
TEMPERATURE
'ON' TIMER SWITCHED OFF
TIME 'OFF' TIMER SWITCHED OFF
2. Setting Cool/Heat/Dry Modes
COOL - Unit cools when required but cannot heat
DRY - Unit removes moisture by cycling cooling at low speed,
humidity is reduced, but room temperature is not changed.
FAN ONLY - No cooling or heating - fan only
HEAT - If heating is available, unit heats when required but cannot cool.
AUTO COOL/HEAT - Unit cools or heats when required (if heating is available)
3. Setting the Fan Speeds
Repeated pressing of the 'fan speed selection' button selects low, medium, high and auto speeds. In 'auto' selection, the fan runs at
high speed when there is a difference of more than 2°C between the room temperature and the set (required) temperature, and low
speed when less than 2°C.
4. Setting the Temperature
Press the ‘up’ or ‘down’ 'set temperature' button to alter the display between 16°C and 30°C.
By holding both buttons down, the display is changed between °C and °F.
5. Setting the Clock (Current time)
The ‘up’ and ‘down’ buttons must be held down for 3 seconds before theyoperate. Continue to hold the button down for rapid change.
6. Programming the Timer
The 24 hour timer can have one ON command or one OFF command or one ON/OFF cycle in a 24 hour period. Blank ON and OFF
timer windows indicate that the timer is not programmed.
7. Setting the ON Time

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Press the TIMER ON set ‘S’ button and step to the required ON time. Hold the button down for repeated stepping. Press the TIMER
ON ‘C’ button to cancel the ON time.
8. Setting the OFF Time
Press the TIMER OFF ‘S’ buttonandsteptotherequiredOFFtime.Holdthebuttondownforrepeatedstepping.PresstheTIMEROFF
‘C’ button to cancel the OFF time.
9. Only ON Time Selected
Unit will turn ON at the selected time and stay ON.
10. Only OFF Time Selected
Unit will turn OFF at the selected time and stay OFF.
11. Use of the Pink HON/STANDBY button when time programmes are selected
At any time, pressing the Pink button will either start the unit or return it to standby mode. The unit will remain at this condition unless
an appropriate ON or OFF time has been programmed.
12. Cold Start
In Cool or Heat mode, not Auto, after more than 3 days without power, or after 2 hours of non-operation, the set temperature is
automatically raised (in heating mode) or lowered (in cooling mode) by 2°C until this temperature is reached or the unit has run for 20
minutes after which the unit operates with the displayed temperature. This decreases the time taken to reach set point.
13. Displays
Heat Fan Dry Cool DIAGNOSTICS
F4ID
Amber Red Red Green
OFF OFF OFF OFF No power, manual OFF, timed OFF, condensate high level, fault in condensate
control
OFF ON OFF ON Cooling mode selected
BLINKS ON OFF ON AUTO - predominantly cooling
ON ON OFF OFF Heating mode selected
ON ON OFF BLINKS AUTO - predominantly heating
OFF ON OFF OFF Fan mode selected
OFF ON ON OFF Dry mode selected
Diagnostics
OFF BLINKS x 4 OFF OFF Room sensor missing
OFF BLINKS x 4 OFF OFF Indoor coil sensor missing
14. Commands Refused
a. Attempts to set temperatures outside the display range are not transmitted.
b. If heating commands are refused, the installer's programming is incorrect - call the engineer.
15. Battery Replacement
It is advisable to replace the batteries as soon as the display begins to fade. Correct transmission cannot be guaranteed if the battery
is failing.
2 x 1.5V AAA
batteries
16. Power Cuts
The unit permanently memorises its settings.
17. User Maintenance
Isolate the unit at the mains supply before commencing any maintenance work.
The unit should always be used with a filter. In order to maintain efficiency it is important that the filter behind the air intake grille is
cleaned regularly:
!Remove the filter(s) from behind the air intake grille.
!Wash the filter (in tepid water only) and shake dry before use.
!Alternatively tap the filter gently to remove dust or vacuum clean.
!To clean the unit use soap or a non-scratch liquid cleaner.
–N–N–F–F–F–N–N–

-17-
ISOLATE THE SYSTEM PRIOR TO FITTING THE KIT IF THE UNIT HAS BEEN INSTALLED
ELECTRIC HEATER KIT
CWM kW Part No. CWM L kW Part No.
55 1.3 55600401 55 1.3 55600411
75 1.8 55600402 75 1.8 55600412
105 2.3 55600403 105 2.3 55600413
ITEM QTY DESCRIPTION ITEM QTY DESCRIPTION SUPPLIED IN KITS
1 1 Coil/element/fuse assy 5 2 Coil clip 55600402/403/412/413
2 3 No.8 screws 6 1 Relay assy 55600401/402/403
3 4 Cable clamps 7 2 No.6 screws 55600401/402/403
4 2 Cable ties 8 1 Terminal 55600411/412/413
9 1 Jumper bar 55600411/412/413
This kit is for use on allCWM and CWM L wall mounted units: it cannot be fitted to CWM L units which have an LPHW
coil assembly
It is easier to fit this kit prior to installing the unit.
1. CABINET REMOVAL
2. FITTING THE COIL/ELEMENT/FUSE ASSEMBLY (numbers refer to diagrams)
a) Secure the assembly to the front of the coil, with the thermal cutout at the top (3xNo.8 screws). 1
b) Ensure there is a space of 20mm between the top of the drain tray and the bottom of the heater coil.
1. On CWM (L) 75 / 105 position the coil clips 2

-18-
3. WIRING CWM L
a) Routetheharnessfromthefusealongthebackpanelusingthecableclamps,ensuringthe harness is above thecabinet
fixing brackets 3
b) Remove and discard the violet wire between the pcb relay and terminal 7.
Connect the black wire from the fuse assembly to the PCB relay, 4
Route the blue wire alongside the existing harness and connect to terminal N on the terminal rail.
Use the cable ties provided to tidy the wires.
c) Connect the earth wire to the nearest cabinet fixing bracket 5.
d) Use the cable ties provided to tidy the wires.
4. WIRING CWM
a) Connect a black wire from the fuse assembly to No.14 on the kit relay 6.
b) Fit the relay to the back panel using the 2x No.6 screws 7.
c) Route the harness from the fuse along the back panel using the cable clamps, ensuring the harness is above the
cabinet fixing brackets 3.
d) If there is no free space in the existing “N” neutral terminal, insert the terminal provided and fit the jumper bar
between the existing &”new” terminal.
e) Connect the blue relay wire to terminal N on the terminal rail.
f) Connect the black relay wire to terminal L1 on the terminal rail.
g) Connect the orange relay wire to terminal 7 on the terminal rail.
h) Connect the second black wire from the fuse assembly to the black wire from the element, via the connector.
i) Connect the blue wire from the element to terminal N on the terminal rail.
j) Connect the earth wire clip to the nearest bracket as shown 5.
k) Use the cable ties provided to tidy the wires.
--o--o--O--O--O--o--o--

-19-
5m HIGH CONDENSATE PUMP KIT FOR CWM (L) UNITS 55600420
ITEM QTY DESCRIPTION
1 1 Pump Assembly
This kit is for use on all versions of CWM and CWM L units and is for condensate removal where a lift of up to 5m is
required.
The pump runs on demand.
A high level alarm will switch off the cooling signal until condensate has dropped below a pre-set level.
It is easier to fit this kit before installing the unit.
IF THE UNIT HAS BEEN INSTALLED, ISOLATE THE SYSTEM BEFORE FITTING THE KIT.
1. CABINET REMOVAL
2. FITTING THE KIT
a) Fit the pump assembly into its temporary position (Fig.1) by sliding the hooks on the pump assembly bracket into the
cut-outs on the back panel side flange.
Note: This is not the final position, but it makes installation easy.
b) Fit the sensor/filter inside the drain tray (Fig.2). Do not over tighten the screw.
Fig.1 Fig.2

-20-
3. WIRING
a) Locate the black, blue and red wires in the unit near the pump and remove the cover
from the black and blue wires.
b) Connect: (i) Black wire to terminal L on the pcb
(ii) Blue wire to terminal N on the pcb
The plastic cover over the pcb can be removed for convenience: retain the cable tie.
c) Cut the centre loop of the red wire and strip back both ends by 5mm. Connect the
bared ends to the black de-mountable plug TB1 (non-polarized) on the pcb.
d) Fit the spare earth wire (clip fitted) to the back panel side flange.
If the plastic cover was removed, secure in its original position with the original cable
tie.
Unhook the pump assembly and fit in its final position (Fig. 3).
Connect a drain hose to the white connector when installed.
4. TESTING THE PUMP AND CONTROL
a) Connect a suitably fused supply to the unit (refer to the unit installation instructions). Allow approximately one minute
for the controls and sensor to stabilize.
b) Slowly add water to the condensate tray sump until the pump runs. Initially the pump will be noisy until the air in the
hose has been expelled. It is possible that, on this first cycle, the pump will run dry for a short period (indicated by
noise).
c) Add more water to the sump and the pump will cycle in the normal manner.
d) With the system in cooling mode, continue adding water to the sump until it reaches the higher of the sensor probes.
The cooling cycle will shut down, and the pump will continue to run until the water has dropped below the level of this
probe.
e) Replace the cabinet.
Note: Whenever the electrical supply to a unit fitted with a condensate pump and controls is interrupted, a delay of up
to 1 minute will occur before the compressor or the pump will start when the supply is reinstated.
5. TROUBLE SHOOTING
Unit will not cool No mains supply to the control board
Pump does not run Fuse on control board blown (T315mA x 20mm)
Sensor disconnected from control board
Cooling is interrupted Restriction in pump flow allowing level to rise and trip overflow circuit
Check for blockage or kink in hoses
Condensate at high level - tripping overflow circuit
Filter blocked - Remove and clean
Excessive pump noise Air leak in hoses and/or joints
Pumping without water in sump - control board fault
Loose connection between sensor and control board
Loose fuse, intermittent mains supply to control board
Water syphoning due to lack of air break
6. APPLICATION NOTES
1. The pump will work against a 5m head. Flow rate is highest with minimum head.
2. Long lengths of drain pipe should not be exposed to the outdoor ambient, otherwise freezing of condensate may occur
during winter operation.
3. Itisnotadvisable tohave the outletof thedrain wellbelowthepositionofthepump,otherwiseasyphoneffectmay open
the pump valves and cause noise by admitting air.
4. For normal applications, i.e. where the drain is level or above the pump or within 3 feet below it, no extra check valves
are needed; the pump has its own internal check valves.
5. Ensure that no hose is kinked, as this could seriously affect the pump performance.
6. Clean the filter at regular intervals.
--o--o--O--O--O--o--o--
Fig.3