JUMO AMRc-1, AMRc-2 Operating Instructions Manual

JUMO

Room Thermostat

Type AMRc

B 60.4041.0

Operating Instructions

11.03/00073791

AMRc-1

AMRc-2

1 Description

1.1 General

Version as per VDE 0631 and compliant with DIN 3440 as:
TR = temperature controller

1.2 Type designation

AMRc-1

Temperature controller TR switching point adjustable from the outside

AMRc-2

Temperature monitor TW switching point adjustable after removing

housing cover

1.3 Function

Switching
function TR and
TW

If the temperature at the probe exceeds the selected setpoint, the microswitch
changes over. After cooling down, the microswitch returns to its initial posi­tion.

1.4 Technical data

Action

according to EN 60 730-1.
type 2BL = automatic action with micro-disconnection in operation;
no auxiliary energy source required.

Control ranges

-00to+50°C

-10 to +40°C

Switching point
accuracy

± 0.75 °C at +20°C

Differential

2

-1

°C

Rating

terminal 2: 10 (3) A, 230 V AC +10%, p.f. = 1 (0.6)
terminal 4: 8 (1.5) A, 230 V AC +10%, p.f. = 1 (0.6)

0.25 A, 230 V DC +10%,
max. starting current: 16 A, p.f. = 0.6

Required
fusing

see Rating

Operating
medium

air

Time constant

in air ≤ 120 sec.

Perm. ambient
temperature

on thermostat head and probe
max. + 60°C
min. - 20°C

Perm. storage
temperature

max. + 50°C
min. - 50°C

Protection

EN 60 529 - IP54.
suitable for use in environments with usual (normal) pollution.

Oper. positon

unrestricted

Weight

approx. 0.32 kg

H

All necessary settings and possible adjustments are described in these Oper­ating Instructions. However, if any difficulties should still arise during commis­sioning, you are asked not to carry out any impermissible manipulations on the
unit. You could endanger your rights under the instrument warranty! Please
contact the nearest subsidiary or the head office in such a case.

1

2

3

(7)

(8)
(7)

(9

)

M20x1,5

1

2

3

(7)

(8)
(7)

(9

)

M20x1,5

(6)

M20x1,5

(6)

2 Mounting

2.1 Opening the housing

✱

Pull off setpoint knob (2)

✱

Unscrew the two cheese-head
screws (6) on the housing top (4)

✱

Take off housing top (4) from housing
bottom (5)

(1) Temperature probe
(2) Setpoint knob
(3) Setpoint spindle
(4) Housing top
(5) Housing bottom
(6) Cheese-head screws

2.2 Mounting the housing

✱

On the wall, with two screws through
the holes (7) provided.

Keep a minimum distance of

3 mm between the temperature
probe and the mounting wall, to avoid
the probe being influenced by the wall
temperature.

(7) Hole for mounting on wall
(8) Terminals
(9) Clamping gland M 20 x 1.5,

(9) for cable diameters from 8 to 10 mm

2.3 Electrical connection

The electrical connection must

only be carried out by qualified
personnel.

- Connection suitable for fixed wiring.

- Cable entry without

strain relief.

- Attachment type X (no special

preparation).

✱

Pass the cable through the
clamping gland (9).

✱

Connect cable to the terminals (8)
(see Connection diagram).

H

V

(1)

(2)

(3)

(4)

(5)

M20x1,5

Connection diagram

Safety notes

Physical and toxicological properties of the media which might escape in the
event of a system fracture:

End of

scale

Danger-

ous

reaction

Fire/explosion hazard Water

contami-

nation

Toxicological data

Ignition

temp.

Explosion limit irritant danger to

health

toxic

≤

+50°C no +200°C 1.2 - 7.5 % v/v yes yes

1)

no

H

1)

The filling liquid may leak in the event of a system fracture. At present there is no restrictive
statement from the health authorities concerning any danger to health over short periods and at
low concentrations, e.g. after a fracture of the measuring system.

72

Ø 4.5

45

4

°C

18

67

72

6.5

105

Ø 35

M20x1,5

M20x1,5 M20x1,5

Ø 4.5

92

45

70

2 Mounting

2.4 Closing the housing

✱

Make sure that the plastic seal in the
housing bottom (5) is seated
correctly.

✱

Put on housing top (4)

✱

Tighten the two screws (6) (see 2.1)

3 Setpoint adjustment

✱

Turn setpoint knob (2) with scale (12)
by hand.

(2)0 Setpoint knob
(11) Setpoint index
(12) Scale

(11)

(2)

(12)

M20x1,5

(1)

(2)

(3)

(4)

(5)

M20x1,5

4 Dimensions / Maintenance

The AMRc requires no
maintenance

JUMO GmbH & Co. KG

Street address:
Moltkestraße 13 - 31
36039 Fulda, Germany
Delivery address:
Mackenrodtstraße 14
36039 Fulda, Germany
Postal address:
36035 Fulda, Germany
Phone: [phone]
Fax: [phone]
e-mail: [e-mail]
Internet: www.jumo.net

JUMO Instrument Co. Ltd.

JUMO House
Temple Bank, Riverway
Harlow, Essex CM20 2TT, UK
Phone: [phone]
Fax: [phone]
e-mail: [e-mail]
Internet: www.jumo.co.uk

JUMO PROCESS CONTROL INC.

885 Fox Chase, Suite 103
Coatesville, PA 19320, USA
Phone: [phone]

1-800-554-JUMO
Fax: [phone]
e-mail:

[e-mail]
Internet: www.JumoUSA.com