Metro Therm 60 User manual

78:013-1603
Manual
Smart Control model 60, 110 and 160
Type 206 ECO, 211 ECO and 216 ECO
ELECTRICAL WATER HEATERS
78:013-1603

2
Model 60 – 3 kW , Smart Control
Type 206 ECO
METRO-number: 112061003
VVS-number: 345181360
Model 110, Smart Control
Type 211 ECO
METRO-number: 112111003
VVS-number: 345181560
Model 160, Smart Control
Type 216 ECO
METRO-number: 112161003
VVS-number 345181760
Type 206 ECO
Type 216 ECO
Type 211 ECO

3
Table of Contents
Transport 4
Placement 5
Drawing 6
Hot Water Heater-setup 7
Electrical Setup 9
User’s Guide 11
Maintenance 15
Troubleshooting 17
Warranty provisions 18
Declaration of conformity 19

4
Transport
Immediately upon receipt, inspect the water heater for integrity and absence of damage. If
there is damage, report it to the transport company immediately. The recipient is responsible
for shipping unless otherwise agreed.

5
Placement
Installation of the water heater may be carried out only by an authorized HVAC Installer and
in accordance with building regulations. The water heater with attached tubes must be lo-
cated in a frost free area. The water heater should be set up close to a main faucet and close
to a oor drain. The water heater must be located so that there is room for maintenance and
service.
The Electric water heater must always be mounted vertically and with the pipe stubs down-
wards.
For wall-mounted models, the distance to the oor must be min. 400 mm and the distance
to ceiling should be min. 200 mm (Figure 1). When hanging the water heater, the supplied
mounting bracket must be used.
Please be aware that the wall must be able to support the weight of the tank including
water.
Water heater models 60, 110 and 160 – as an option – can be supplied with a stand and
support plates with adjustable feet, making it possible to level the water heater on a solid,
at oor.
Figure 1
200 mm
400 mm

6
Type No. Model Volume
(litres)
Net weight
(kg)
a a1 b c e f h i
206 ECO 60 56 48 875 40 390 390 100 60 175 255
211 ECO 110 98 59 1030 40 460 460 100 70 175 255
216 ECO 160 142 76 1400 40 460 460 100 70 175 255
Model 60-110-160 (type 206 ECO, 211 ECO, 216 ECO)
Diagram
B Hot water output
C Cold water input
G Socket 3/4” with stopper (for
circulation)
H Holes in mounting bracket
I CC measurements at mounting
bracket
Dimensions
All measurements are shown in mm.

7
Hot Water Heater setup
Note the following when installing
• Installations must comply with building regulations along with other relevant regulations
and provisions, including requirements for electricity and water installation.
• Check all technical data and information on the data plate.
• Make sure that all accessories are unpacked.
• Ensure that there is easy access to the water heater. An external shut-off valve must be
installed on the input to the water heater.
• Prior to being connected, water pipes must be carefully cleaned.
• The water heater must never be exposed to water pressure in excess of 1 MPa (10 bar).
Installation of the water heater may be carried out only by an authorized HVAC Installer and in
accordance with the relevant building code.
Approvals
VA-no. 3.23/19559
Risk of corrosion
METRO THERM storage tanks are constructed from enameled steel and protected by a magne-
sium anode. If the connections and the rest of the piping is made of copper or stainless steel,
there may be risk of galvanic corrosion at the connections. The risk of galvanic corrosion can
be minimized by using a PEX-tube transition piece between the tank and the pipe installation.
Failures resulting from such risk are not covered by the METRO THERM warranty.
The Water heater is supplied with PEX bushings for cold and hot water connections.
These bushings protect the enamel coating and must not be removed.
The water heater is to be installed as a pressure tank with a shut-off valve, check valve, and
safety valve such as a METRO safety system. The safety system must be placed as shown in
Figure 2.
The use of soft water in METRO THERM tank
Salt based soft water may be used in a METRO THERM hot water tank. It would however be
a good idea to remove the anode before the tank is put into use, since otherwise the anode
may degrade. If the anode breaks down, water may begin to smell, glass in dishwashers may
become milky white, and hydrogen sulphide may be formed, causing the tank to bubble.
Do not use demineralised water (double ion-exchanged) as the tank will then corrode in a
short time. Demineralized water is also referred to as totally desalinated water and de-ionized
water.
1. Water input (cold) 3/4” shut off valve
2. Check valve (built-in)
3. Relief Valve
4. Overow 3/4”
5. Drain spout
B Hot water out 3/4”
C Cold water in 3/4”
Figure 2
CB
4
5
321
Hot water tank
Test pressure 13 bar
Operating pressure 10 bar

8
Security system
The safety valve shall be located in the water input near the tank and be readily accessible
for testing and inspection. The connection pipe between the safety valve and the tank and
the overow from the safety valve must not be capable of being blocked. Opening min.
3/4”(Ø 20 mm). The overow should discharge visibly and unobstructedly to a drain and
should not discharge outside due to the risk of frost.
The safety valve must at least be able to relieve the water heater’s rated power. By using a
METRO security system (Figure 3), this requirement is fullled. As the water expands during
heating (approximately 2%), the safety valve drain will drip during warm-up.
Installation of circulation
A plastic plug is located in the top plate. Under it (in the insulation) is a sleeve (3/4” internal
RG) with a stopper (NV 26).
Forced circulation
We recommend forced circulation with a pump mounted with a circulations set (supplied as
an accessory). The circulation set consists of an enamelled extension pipe for mounting in the
top of the water heater and a PEX-pipe for extending into the water heater (Figure 4).
Natural circulation
If the water heater is connected to natural circulation, the hot water outlet must be con-
nected at the top of the water heater. The circulation pipe connects to the hot water outlet at
the bottom and the PEX pipe in the hot water tank shall be shortened to 2/3” in length.
Note
The user shall be made aware of the heat loss from the circulation line and the resulting
operating costs. Circulation can be controlled by a timer.
In cases of high circulation losses, the circulation may result in disruptions if the control is set
to ECO operation. In these cases, it may be necessary to switch control to manual operation
and control the temperature in the tank in the same manner as with an ordinary electric
water heater.
1. Water input (cold) 3/4 “shut off valve
3. Relief Valve
4. Overow 3/4”
5. Drain cock
C Cold water in 3/4”
Figure 3
C
53
1
4
Figure 4

9
Electrical Setup
The electrical installation should be performed only by a certified
electrician.
The water heater is constructed as class IP24 and must always have extra protection
according to the LVD directive.
The water heater is equipped with a Smart Control containing an operation thermostat, an
excess temperature reset and a display for setting various control schemes and temperature
levels.
Smart Control
The water heater is supplied with a resettable Thermal Cut Out thermostat. The Thermal Cut Out
thermostat may be reset only by an authorized installer. The Thermal Cut Out thermostat sits
behind the plastic plug in the bottom plate near the manual reset button.
The Smart Control with thermostat and Thermal Cut Out thermostat is mounted behind the
bottom plate on the water heater. The Smart Control display for setting the various control
schemes and temperature levels is located at the bottom in the front.
Note: The sensor tube from the thermostat and the Thermal Cut Out thermostat sensor must be
inserted as far from the spade connector on the heating element as possible.
Electric heater - up to and including 3 kW
3 kW / 400 V - 1 kW / 230 V
The standard heater element can be connected to 400 V (3 kW) or 230 V (1 kW), see the
electric diagram.The water heater is delivered from the factory with a 4-wire cable (cable
without connectors) that must be connected to the xed installation. If it is damaged, it must be
replaced with a new cable (purchased as a spare part).
Note: Before power is
connected, the water
heater must be filled with
water.

10
Smart Control
Electrical diagram 3 kW (1 kW)
Type 206 ECO, 211 ECO og 216 ECO