Electra OU10-36 ST Service Manual download pdf (Page 80)

13-9

CONTROL SYSTEM

SM DNGRPM 1-E.4 GB

13.5 Heating Mode

13.5.1 Heating Mode - General

In heating Mode, temp. compensation schedule will be activated for wall mounted and

ducted models (i.e. FCD/RWK, ELD, ECC, WAX, WMF and WMN/WHX) according to

the following table:

Add to SPT SPT [

I-FEEL ON I-FEEL OFF

18  SPT  27

0 °c +2 °c

27 < SPT  30

0 °c +3 °c

13.5.2 IF operating rules

(a) As a general rule for RC and SH groups, when COMP is ON, excluding

protection modes, IFAN will be switched ON if

 ICT > 35

c (or 40

c for EMD/ELD, 20

c for WAX), or

 at the IFTC second

(4)

after the COMP is switched ON. In this

case, the IFAN will be started at low speed

(5)

. The default IFTC

values are:

0 sec for EMD/ELD models

15 sec for WMN4/RWK(FCX) models

600 sec for WVL (including IFC) models

30 sec for all other models

IFAN Speed

Any

Low

Stop

30 35 40

EMD/ELD

ICT [

15 20 25

General :

For WAX :

Notes :

1) In EMD/ELD models, the IFAN will start if ICT  40

c at any IFAN

speed, and will stop if ICT < 30

2) In SH or RC group, if HE is set to OFF due to low ICT, IFAN will be

switched to LOW and will be turned OFF after 30 sec.

3) An exception to this rule) is the Back-up mode for SH group. 4) If

the IFAN is turned ON by the IFTC operation, its minimum operation

time before stopping due to low ICT temperature is 60 sec.

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Electra OU10-36 ST Service Manual Page 80

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