Operating instructions
9 Technical specifications
RITTAL cooling unit assembly and operating instructions 43
EN
Unit
Model No. SK
Basic controller,
RAL 7035
–
3304.140
3304.142
3305.100 3305.110
3305.140
3305.142
3328.100 3328.110 3328.140 3329.100 3328.700
Comfort controller,
RAL 7035
–
3304.540
3304.542
3305.500 3305.510
3305.540
3305.542
3328.500 3328.510 3328.540 3329.500 3328.800
Basic controller,
stainless steel cover
– 3304.240 3305.200 3305.210 3305.240 3328.200 3328.210 3328.240 3329.200 –
Comfort controller,
stainless steel cover
– 3304.640 3305.600 3305.610 3350.640 3328.600 3328.610 3328.640 3329.600 –
Rated voltage V, Hz
400, 3~, 50/
460, 3~, 60
230, 1~,
50/60
115, 1~,
50/60
400, 3~, 50/
460, 3~, 60
230, 1~,
50/60
115, 1~,
50/60
400, 3~, 50/
460, 3~, 60
230, 1~,
50/60
230, 1~,
50
Rated current A 2.8/2.9 6.0/6.5 12.1/13.6 2.6/2.9 7.5/9.1 14.7/17.3 2.8/3.3 8.6/10.6 4.5
Start-up current A 11.5/12.7 22.0/24.0 42.0/46.0 12.2/11.3 22.0/26.0 36.0/39.0 6.8/7.8 21.0/21.0 12.0
Pre-fuse T A 6.3 – 10.0 16.0 14.0 – 20.0 6.3 – 10.0 16.0 18.0 – 25.0 6.3 – 10.0 16.0 10.0
Motor circuit-breaker – –– –– – –
Transformer circuit-breaker – – – –– –––
Miniature circuit-breaker/fuse – – – – ––
Useful cooling
output Q
k
L 35 L 35
to DIN 3168 L 35 L 50
W
W
1000/1060
790/840
1500/1510
1230/1250
1500/1510
1230/1250
1500/1510
1230/1250
2000/2350
1450/1690
2000/2350
1450/1690
2000/2350
1450/1690
2500/2750
1600/1750
2000
1630
Power
consumption P
el
L 35 L 35
to DIN 3168 L 35 L 50
W
W
700/675
785/800
975/1125
1125/1285
1000/1175
1165/1325
925/1100
1085/1275
1025/1200
1250/1350
1085/1250
1300/1410
1050/1275
1275/1525
1450/1675
1625/2000
780
870
Refrigeration factor ε = Q
k
/P
el
1.4 1.5 1.5 1.6 2.0 1.8 1.9 1.7 2.6
Refrigerant
– Type
– Filling
–
g
R134a
500
R134a
600
R134a
600
R134a
600
R134a
950
R134a
950
R134a
950
R134a
950
R134a
750
Admissible pressure bar 25 25 25 25 28 28 28 28 28
Temperature setting range
1)
°C +20 to +55
+20 to +45
Noise level dB (A) < 64 < 64 < 64 < 64 < 64 < 64 < 64 < 64 < 64
Protection category
to EN 60 529
– Internal circuit
– External circuit
–
–
IP 54
IP 34
Dimensions (W x H x D) mm 400 x 950 x 260 400 x 1580 x 290
Weight kg 40 41 46 42 66 73 67 69 66
1)
Basic controller +30°C to +55°C
.
.