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No. of switches:
1. OFF
- To switch off blower
2. FAN - To start the system in fan mode where only blower will be on.
3. COOL - To start the system in cool mode where actually controller will work depending on
set point setting.
4. ALARM ACK- To mute the buzzer.
5. Up/Dn – These allows to adjust the set point to desired value.
At power on, the controller will start in the last mode it was set in before being powered off. There
are 3 states in which the controller can be at power on.
State 1
Controller is in the OFF mode. In this state, all devices are OFF and the system is in Stand By
mode and controller will display the temperature.
State 2
Controller is in FAN mode. In this state, only Blower will activate and controller will display the
temperature.
State 3
Controller is in COOL mode. In this state, system will start activating all devices as required.
PACKAGE A/C CONTROLLER SZ-7576
SZ-7576
3
3
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Related Manuals for Subzero SZ-7576
Summary of Contents for Subzero SZ-7576
- Page 1 PACKAGE A/C CONTROLLER SZ-7576 SZ-7576 No. of switches: 1. OFF - To switch off blower 2. FAN - To start the system in fan mode where only blower will be on. 3. COOL - To start the system in cool mode where actually controller will work depending on set point setting.
- Page 2 To start the system, press the COOL key. Controller starts the BLOWER and COND FAN 1,2 and 3 enter time delay mode. COND FAN1 activates after 60 seconds COND FAN2 after 90 seconds and COND FAN3 after 120 seconds After COND FAN 1 activates, COMP 1 energizes ten seconds later to avoid a surge. After COND FAN 2 activates, COMP 2 energizes fifteen seconds later to avoid a surge.
- Page 3 For hp/lp- “HP “ “LP” For probe fail- “PP” Also , fault led will blink. C [16] C [12] C [14] C [13] C [17] C [15] C [3] C [18] COMMON C [10] PHASE C [11] NEUTRAL SZ-7576 A / 240Vac 230 V...
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