Buderus MCM10 Installation Instructions

2
Details about the MCM10 module
MCM10
5
2.6 Technical specifications
2.6.1 General
2.6.2 Dimensions
Fig. 2 Dimensions
2.6.3 Power connection parameters
2.6.4 Measurement values supply temperature
sensor
2.6.5 Measurement values outdoor temperature
sensor
Designation Unit
Dimensions (Æ Fig. 2)
Weight (without packaging) lb (kg) 1.76 (0.8)
Rated voltage MCM10 AC … V 120
Frequency Hz 60
Max. on-site fuse protection of the
input voltage
Amp 10
Power draw MCM10 W 5
Rated voltage BUS DC … V 15
Internal appliance fuse, heating
pump output
Amp 5 AF, ceramic, filled
with sand
Measuring range, supply
temperature sensor
° F ( °C) 32 … 212
(0 … 100)
Measuring range, outside
temperature sensor
° F ( °C) – 40 … 122
( – 40 … 50)
Permissible ambient
temperature MCM10
° F ( °C) 32 … 122
(0 … 50)
Permissible ambient temperature,
supply temperature sensor
° F ( °C) 32 … 212
(0 … 100)
Permissible ambient temperature
outdoor temperature sensor
° F ( °C) – 58 … 212
( – 50 … 100)
Maximum cable length,
2-wire BUS connections
ft (m) (ÆTab. 6, page 11)
Maximum lead lengths,
sensor leads
ft (m) (ÆTab. 7, page 11)
EMC suppression level to IEC 60730
Enclosure rating II in accordance
with IEC 60730
NEMA definition Type 2
Tab. 1 General
2-1/2" (62mm)
6 720 616 690-03.1TD
2-1/2" (62mm)
9-1/4" (235mm)
2-1/4" (58mm)
1-1/2" (37mm)
5-9/16" (142mm)
6-1/2" (165mm)
Pos.
1)
1) (Æ Fig. 12, page 19)
Interface
A Input Power supply from the power
line or from the previous mod-
ule MCM10
120 V AC,
max. 10 Amp.
B Output Power supply for additional
MCM10
120 V AC,
max. 10 Amp.
C Output Pump 120 V AC,
max. 250 W
D Output Remote fault indication zero volt,
max. 120 V,
2Amp.
E Input Supply temperature sensor NTC (ÆTab. 3)
F Input Outdoor temperature sensor NTC (ÆTab. 4)
G Input External switching contact Zero volt
H Input Heating controls
(ON/OFF contact)
24 V DC
I Input Heating controls (propor-
tional interface)
0-10 V DC
J 2-wire BUS to the heating controller
(RC35, WM10, MM10)
–
K 2-wire BUS from the previous MCM10
module
–
L 2-wire BUS to the next MCM10 module –
M 2-wire BUS to the heating appliance –
Tab. 2 Power connection parameters
°F ( °C) Ω °F ( °C) Ω
68 (20) 12490 140 (60) 2488
77 (25) 10000 149 (65) 2083
86 (30) 8057 158 (70) 1752
95 (35) 6531 167 (75) 1481
104 (40) 5327 176 (80) 1258
113 (45) 4369 185 (85) 1072
122 (50) 3603 194 (90) 917
131 (55) 2986 203 (95) 788
Tab. 3 Measurement values supply temperature sensor
°F ( °C) Ω °F ( °C) Ω
– 4 ( – 20) 97070 50 (10) 19900
5 ( – 15) 72929 59 (15) 15708
14 ( – 10) 55330 68 (20) 12490
23 ( – 5) 42315 77 (25) 10000
32 (0) 32650 86 (30) 8057
41 (5) 25388 95 (35) 6531
Tab. 4 Measurement values outdoor temperature
sensor

Buderus MCM10 Specifications

General

Brand	Buderus
Model	MCM10
Category	Control Unit
Language	English