
HYDRONIC CASSETTE
52
HEAT MODE
i.
HEAT MODE--- WITHOUT ELECTRICAL HEATER
1. MTV1, AUX2 and heater always off.
2. If Tr <= Ts
﹣
1 ºC (or -4 ºC if economy contact is activated), heat operation is activated, MTV2 and
AUX1 are turned on. Indoor fan runs at the set speed.
3. If Tr >Ts, heat operation is terminated, MTV2 and AUX1 are turned off. Indoor fan repeatedly runs at
low fan speed for 30 seconds and stops for 3 minutes.
4. The range of Ts is 16~30 ºC
。
5. Indoor fan speed can be adjusted for low, medium, high and auto.
6. MTV2 will delay for 30 seconds before it is turned on.
7. MTV2 will delay for 120 seconds before it is turned off.
ii. HEAT MODE---WITH ELECTRICAL HEATER AS BOOSTER
1. MTV1 and AUX2 are always off.
2. If Tr <= Ts
﹣
1 ºC (or -4 ºC if economy contact is activated), heat operation is activated, MTV2 and
AUX1 are turned on. Indoor fan runs at the set speed.
3. If Tr >Ts, heat operation is terminated, MTV2 and AUX1 are turned off. Indoor fan repeatedly runs at
low fan speed for 30 seconds and stops for 3 minutes.
4. If Ti1<40 ºC, the electrical heater is turned on. If 40<= Ti1<45 ºC, the electrical heater is kept original
state. If Ti1>=45 ºC, the electrical heater is turned off.
5. The range of Ts is 16~30 ºC
6. Indoor fan speed can be adjusted for low, medium, high and auto.
7. MTV2 will delay for 30 seconds before it is turned on.
8. MTV2 will delay for 120 seconds before it is turned off.
iii. PRE-HEAT---WITHOUT ELECTRICAL HEATER
1. If Ti1<36 ºC [or 28C depends on DIP setting], when MTV2 and AUX1 are on, indoor fan remains off.
2. If Ti1>=38 ºC [or30C depends on DIP setting], when MTV2 and AUX1 are on, indoor fan runs at set
speed.
3. If indoor coil temperature sensor is damaged, pre-heat time is set for 2 minutes and indoor fan runs
at set speed.
iv. PRE-HEAT---WITH
ELECTRICAL
HEATER
1. MTV2 and AUX2 turn on.
2. Indoor fan will turn on after the electrical heater is turned on for 10 seconds.
v. POST-HEAT---WITHOUT ELECTRICAL HEATER
1. If
Ti2
≧
38ºC, when MTV2 and AUX 1 are off, indoor fan continues to run at set speed.
2. If
36
C <= Ti2< =38
C, when MTV2 and AUX1 are off. Indoor fan keeps original state.
3. If Ti2<36ºC, when MTV2 and AUX1 are off. Indoor fan runs 30 seconds and stop 3 minutes
repeatedly.
4. If indoor coil temperature coil is damaged, post-heat time is set for 3 minutes with indoor fan running
at set speed.
vi. POST-HEAT---WITH ELECTRICAL HEATER
1. Indoor fan will turn off after the unit off for 20 seconds.
vii. OVER HEAT PROTECTION OF INDOOR COIL
1. If Ti2 >= 75 ºC, MTV2 and AUX1 are turned off, indoor fan remains on and runs at high speed.
2. If Ti2<70 ºC, MTV2 and AUX1 are turned on, indoor fan remains on and runs at set speed.
3. If indoor coil temperature sensor is damaged, the protection mode will become obsolete and the unit
will work as the Pre-heat and Post-heat set times.
Содержание PCG-06
Страница 31: ...HYDRONIC CASSETTE 31 5th STEP change the fan speed wiring according to below wiring diagram ...
Страница 39: ...HYDRONIC CASSETTE 39 DIMENSIONAL DRAWINGS PCG 06 08 PS ...
Страница 40: ...HYDRONIC CASSETTE 40 PCG 09 PS ...
Страница 41: ...HYDRONIC CASSETTE 41 PCG 12 16 PS ...
Страница 42: ...HYDRONIC CASSETTE 42 VALVE INFORMATION ...
Страница 43: ...HYDRONIC CASSETTE 43 ...
Страница 44: ...HYDRONIC CASSETTE 44 REMOTE CONTROL HANDSET WIRELESS LCD HANDSET DISPLAY ...
Страница 60: ...HYDRONIC CASSETTE 60 CONTROL AND POWER SUPPLY WIRING DIAGRAMS ...
Страница 61: ...HYDRONIC CASSETTE 61 MASTER SLAVE CONTROL WIRING DIAGRAM ...
Страница 66: ...HYDRONIC CASSETTE 66 ...