Sinclair SCV-1400EB, Руководство по обслуживанию

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Four-way valve
ST1
● ●
Open
Solenoid valve (defrost)
SV5
● ●
Closed
Solenoid valve (by pass)
SV6
● ●
Closed
Solenoid valve (injection)
SV8A/B
● ●
Open
Water flow switch Water-SW
● ●
After water pump (field supplied) is turned on for 2min, if
water flow switch is open, water pump stops and water
flow error code appears. The compressor can be started
after the water flow is normal.
Electric auxiliary heater (pipe) -
● ●
Controlled according to ambient temperature and total
water outlet temperature.
Crank case heater CCH
● ●
Controlled according to ambient temperature and
discharge temperature.
For SCV-1800EB:
Component
Wiring diagram
label
180kW Control functions and states
Inverter compressor BP1/2
●
Compressor startup program selected according to ambient
temperature.
DC fan motor FAN
●
Fan run at maximum speed 1 .
Electronic expansion valve
EXV ●
Position (steps) from 0 (fully closed) to 480 (fully open),
controlled according to outdoor ambient temperature,
discharge temperature, suction superheat, compressor speed
and refrigerant system pressure.
Four-way valve
ST1 ●
On
Notes: 1. Refer to Table 3-4.1 in Part 3, 5.8 “Outdoor Fan Control”.
4.3 Startup Control for Cooling Operation
For SCV-900EB:
Component
Wiring diagram
label
90kW
Control functions and states
DC fan motor A Fan A
●
According to ambient temperature, compressor frequency and air
side heat exchanger refrigerant total outlet temperature.
DC fan motor B Fan B
●
Electronic expansion valve A EXVA
●
Step 480
Electronic expansion valve B EXVB
●
Step from 0 to 480. Controlled according to suction temperature
superheat.
Electronic expansion valve C EXVC
●
Step from 0 to 480. Controlled according to temperature difference
between economizer plate heat exchanger inlet and outlet.
Four-way valve ST1
●
Closed
Solenoid valve (oil balance) SV4
●
Closed for 200s, open for 600s, then closed.
Solenoid valve (defrost) SV5
●
Closed
Solenoid valve (by pass) SV6
●
Open for 600s then closed.
Solenoid valve (injection) SV8A/B
●
Open
Water side heat exchanger heater -
●
According to water side heat exchanger anti-freezing temperature.
Water flow switch Water-SW
●
After water pump (field supplied) is turned on for 2min, if water flow
switch is open, water pump stops and water flow error code appears.
The compressor can be started after the water flow is normal.
Water flow switch heater
●
Controlled according to ambient temperature, water inlet
temperature and water outlet temperature.
Crank case heater CCH
Controlled according to ambient temperature and discharge
temperature.