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6. brief method for checking the key components, 6-1. hydro unit – Toshiba HWS-802XWHT6-E User Manual

Page 104

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103

Toshiba

9-6. Brief method for checking the key components

9-6-1. Hydro unit

No.

Component name

Check procedure

1

Water heat exchange

temperature

(TC) sensor

Water inlet temperature

(TWI) sensor

Water outlet temperature

(TWO) sensor

Hot water cylinder temperature

(TTW) sensor

Floor inlet temperature

(TFI) sensor

Remove the connector and measure the resistance value with a tester. (Normal temperature)

2

Circulating pump

AC pump

Type

UPS025-65K 130

(802XWH**-E)

UPS25-80 130

(1402XWH**-E)

Remove the connection cover of the pump, and measure the resistance with a tester.

Temperature

0°C

10°C

20°C

30°C

Sensor

Water heat exchange temperature (TC) sensor

33.8

k

Ω

20.35

k

Ω

12.59

k

Ω

7.99

k

Ω

Water inlet temperature (TWI) sensor

Water outlet (TWO) sensor

Hot water cylinder temperature (TTW) sensor

Floor inlet temperature (TFI) sensor

L

N

Location

Resistance value

L

N

100-200

Ω

+00A09-002_01EN_SVM_ALL_Air_to_Water.book Page 103 Monday, October 5, 2009 2:09 PM