Kaisai KMK-60RY1, Installation Manual

Page: 95 / 148

17
7.2 Application 2
7.2.1 One zone control
ROOM THERMOSTAT Control for Space heating or cooling need to be set on the user interface. It can be set
in three ways: MODE SET/ONE ZONE/DOUBLE ZONE. The indoor unit can be connected to a high voltage room
thermostat and a low voltage room thermostat. A thermostat transfer board can also be connected. Another six
thermostats can be connected to the thermostat transfer board. Please refer to 8.8.6/6) “For room thermostat” for
wiring. (see 9.5.6 "ROOM THERMOSTAT")
Code Assembly unit Code Assembly unit
1 Outdoor unit 17 Shut-off valve (Field supply)
2 Indoor unit 18 Filling valve (Field supply)
3 User interface 19 Drainage valve (Field supply)
5 Balance tank (Field supply) 23 Collector/distributor (Field supply)
5.1 Automatic air purge valve 25 Thermostat transfer board (Optional)
5.2 Drainage valve RT 1…7 Low voltage room thermostat (Field supply)
6 P_o: Outside circulation pump (Field
supply) RT8 High voltage room thermostat (Field supply )
13 Expansion vessel (Field supply) FHL
1…n Floor heating loop (Field supply)
15 Filter (Accessory)
Space heating
One zone control: the unit ON/OFF is controlled by the room thermostat, cooling or heating mode and outlet
water temperature are set on the user interface. System is ON when any “HL” of all the thermostats closes. When
all “HL” open, system turns OFF.
The circulation pumps operation
When the system is ON, which means any “HL” of all the thermostats closes, P_o(6) starts running; When the
system is OFF, which means all “HL” close, P_o (6) stops running.
2.1
2
2.1
2.2
2.3
2.5
2.9
2.6
19
6
5
5.2
5.1
13 17
15
FHL1
17
2.7 2.8
2.10
FHL2 FHLn
23
18
Modbus
Outdoor
19
Indoor
1
2.11
F
2.4
RT2 RT3
25
RT4
RT5
RT7
RT6
RT8
RT1
3
18
7.2.2 Mode set control
Code Assembly unit Code Assembly unit
1 Outdoor unit 17 Shut-off valve (Field supply)
2 Indoor unit 18 Filling valve (Field supply)
3 User interface 19 Drainage valve (Field supply)
5 Balance tank (Field supply) 23 Collector/distributor (Field supply)
5.1 Automatic air purge valve 24 Bypass valve (Field supply)
5.2 Drainage valve 25 Thermostat transfer board (Optional)
6 P_o: Outside circulation pump (Field
supply) RT 1…7 Low voltage room thermostat (Field supply)
7 SV2: 3-way valve (Field supply) RT8 High voltage room thermostat (Field supply)
13 Expansion vessel (Field supply) FHL
1…n Floor heating loop (Field supply)
15 Filter (Accessory) FCU
1...n Fan coil unit (Field supply)
Cooling or heating mode is set via the room thermostat, water temperature is set on the user interface.
1) When any “CL” of all the thermostats close, system will be set at cooling mode.
2) When any “HL” of all the thermostats close and all “CL” open, system will be set at heating mode.
Space heating
The circulation pumps operation
1) When the system is in cooling mode, which means any “CL” of all the thermostats closes, SV2(7) keeps
OFF, P_o(6) starts running;
2) When the system is in heating mode, which means one or more “HL” close and all “CL” open, SV2(7)
keeps ON, P_o(6) starts running.
2.1
2
2.1
2.2
2.3
2.5
2.9
2.6
19
5
5.2
5.1
13
17
15
17
2.7 2.8
2.10
18
Modbus
Outdoor
19
Indoor
1
2.11
F
2.4
RT2 RT3
25
RT4
RT5
RT7
RT6
RT8
RT1
3
FCU1 FCUn FCU2
FHL1 FHL2 FHLn
23
23
24
6
7
M
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