Huawei NetCol8000-C070 User Manual page 79

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Figure 3-33 Layout of the connection box and electric control box (upflow)
(1) Active power switch QF1
(4) Wiring terminal for the
water valve actuator
(7) Intermediate relay KM3
(10) Fan switch QF4
Figure 3-34 Layout of the connection box (downflow)
(1) Active power switch QF1
(4) Fan switch QF4
(7) Dual power supply switch
over contactor KM1/KM2
Issue 09 (2022-12-15)
NO TE
a: The NetCol8000-C070U unit does not have the terminal of the electric heater contactor
(KM5).
Copyright © Huawei Digital Power Technologies Co., Ltd.
(2) Standby power switch QF2 (3) Cable clamp
(5) Electric heater contactor
a
KM4/KM5
(8) Fuses 1–4
(11) SPD and voltage detection
board FV1
(2) Standby power switch QF2 (3) Ground screw
(5) Cable clamp
(8) Intermediate relay KM3
3 Installation
(6) Dual power supply switch
over contactor KM1/KM2
(9) Electric heater switch QF3
(6) Fuses 1–4
(9) Electric heater switch QF3
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