Toshiba RAS-10SAVP-E Service Manual page 48

Toshiba ilmalämpöpumppujen myynti, huolto ja asennus: Jäähdytinpalvelu RefGroup Oy, Vantaa
Item
20. 8°C HEAT operation <Indoor fan control>
(-ND model only)
<Compressor speed control>
Refer to 4. Capacity control.
Operation flow and applicable data, etc.
Push [8˚C] button.
Fan speed AUTO
Fan speed setup
Indication
L
L+
AUTO
M
M+
H
YES
TC > 42˚C
Min air flow rate control
NO
Limited to Min WD tap
TC
52
51
42
41
∗ Fan speed=
(TC – (42 + a)) / 10 × (WD – W8) + W8
a: In up operation 1, in down operation 0
Basic fan control
TA [˚C]
b
TSC
c
–0.5
d
–1.0
e
–1.5
f
–2.0
g
–2.5
–5.0
–5.5
∗1: Fan speed = (M + –L) × 1 ÷ 4 + L
∗2: Fan speed = (M + –L) × 2 ÷ 4 + L
∗3: Fan speed = (M + –L) × 3 ÷ 4 + L
(Calculated with linear approximation from M+ and L)
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– 48 –
<Indoor fan control>
When 8°C HEAT operation, the
indoor fan control rises up automati-
cally.
When the indoor fan is operated
manually, it is matched with the fan
tap. However the cold draft preventive
control becomes invalid.
MANUAL
Fan speed
W8
(L + M) / 2
WA
(M + H) / 2
WE
∗
No limit
Fan speed
AUTO
L (W8)
∗1
∗2
∗3
M + (WD)
H (WE)
<Compressor speed control>
The compressor speed control is
carried out according to 4. Capacity
control.
Description