
HYDRONIC CASSETTE
51
High fan speed
HF
Max length: 5 m. Voltage output (L)
Medium fan speed
MF
Max length: 5 m. Voltage output (L)
Low fan speed
LF
Max length: 5 m. Voltage output (L)
Valve1 MTV1
Water valve
Voltage output (L)
Chilled water valve
Voltage output (L)
Valve2 MTV2
Reserved
Hot water valve
Voltage output (L)
Water pump
WP
Voltage output (L)
Voltage output
Voltage of electrical heater
(Live)
L-EH
Voltage output (L), maximum 30A
Stepping motor
CN1-4
Cold water free contact.
AUX2
Voltage free contact. To ensure the sensitivity of the
connection, please make sure Max wiring length <
30 m.
Hot water free contact.
AUX1
Voltage free contact. To ensure the sensitivity of the
connection, please make sure Max wiring length <
30 m.
In Modbus signal
CN10
Output
Out Modbus signal
CN11
Terminals for local network serial connection
2. CONTROL SYSTEM OPERATION
4-PIPES SYSTEM
System always with Motorized Valve
COOL MODE
1. MTV2, AUX1 and heater always off.
2. If Tr >= Ts+1ºC (or +4 ºC if economy contact is activated), cool operation is activated, MTV1 and
AUX2 are turned on. Indoor fan runs at set speed.
3. If Tr < Ts, cool operation is terminated, MTV1 and AUX2 are turned off. Indoor fan runs at set speed.
4. The range of Ts is 16-30 ºC
5. Indoor fan speed can be adjusted for low, medium, high and auto.
6. When turned on, MTV1 requires 30 seconds before it is fully open.
7. When turned off, MTV1 requires 120 seconds before it is fully closed.
8. When the unit is turned off, indoor fan will delay for 5 seconds before it is turned off.
LOW TEMPERATURE PROTECTION OF INDOOR COIL
1. If
Ti1
≦
2 ºC for 2 minutes, MTV1 and AUX2 are turned off. If indoor fan is set for low speed, it will
run at medium speed. If it is set at medium or high speed, it will keep running at the same speed.
2. If
Ti1
≧
5ºC for 2 minutes, MTV1 and AUX2 are turned on. Indoor fun runs at set speed.
FAN MODE
1. Indoor fan runs at the set speed while heater, MTV1, MTV2, AUX1 and AUX2 are turned off.
2. Indoor fan speed can be adjusted for low, medium and high.
Summary of Contents for PCG-06
Page 31: ...HYDRONIC CASSETTE 31 5th STEP change the fan speed wiring according to below wiring diagram ...
Page 39: ...HYDRONIC CASSETTE 39 DIMENSIONAL DRAWINGS PCG 06 08 PS ...
Page 40: ...HYDRONIC CASSETTE 40 PCG 09 PS ...
Page 41: ...HYDRONIC CASSETTE 41 PCG 12 16 PS ...
Page 42: ...HYDRONIC CASSETTE 42 VALVE INFORMATION ...
Page 43: ...HYDRONIC CASSETTE 43 ...
Page 44: ...HYDRONIC CASSETTE 44 REMOTE CONTROL HANDSET WIRELESS LCD HANDSET DISPLAY ...
Page 60: ...HYDRONIC CASSETTE 60 CONTROL AND POWER SUPPLY WIRING DIAGRAMS ...
Page 61: ...HYDRONIC CASSETTE 61 MASTER SLAVE CONTROL WIRING DIAGRAM ...
Page 66: ...HYDRONIC CASSETTE 66 ...