Marstair IMPACT 20 - Installation and Application Guidelines; Impact (E) Wall Mounted Unit Installation

7/20
53799173-05
SEPARATE SUPPLIES TO ELECTRONIC INDOOR AND OUTDOOR UNITS (A)
HEAT PUMP SYSTEMS ONLY
It is recommended that systems using electronic indoor AND outdoor units should be independently fused.
NOTE THAT THESE SUPPLIES MUST BE TAKEN FROM THE SAME PHASE
IMPACT E
20 40 60
1Ph Cool Only
5 5 5
1Ph Cool and Heat
5 10 10
OUTDOOR UNIT
MHPUE 15
DHPUE 15
MHPUE 30
DHPUE 30
MHPUE 50
DHPUE 50
1Ph (A)
10 16 20
3Ph (A/Ph)
--- 10 10
IMPACT (E) WALL MOUNTED UNIT INSTALLATION
The installer supplies:
• 4 off M6 (or equivalent strength) Rawlbolt shields, bolts and washers.
• Fully insulated refrigeration pipework.
• All mains wiring with suitable isolation; Interconnecting wires for indoor and outdoor units.
• Condensate drain (minimum 10mm bore for gravity drain, 8mm bore for condensate pump
drain).
• Two spanners for securing the flare connectors.
• A cross-headed screwdriver for releasing the end cover fasteners.
• A 4 or 5mm Allen key for opening the outdoor/ducted unit valves (depending on valve type).
• Method for securing solid sheathed cables if these are used.
Unpacking
Carefully unfasten the banding and lift off the outer cardboard carton sleeve.
The following are supplied:
• IMPACT unit (in protective sleeve, held between two polystyrene end caps).
• A cardboard sleeve containing two pipe assemblies complete with insulation and two cable
glands suitable for flexible, p.v.c. sheathed cable.
• A wall-mounting bracket also held between the two polystyrene end caps.
• Envelope containing operating instructions to be left with the end user.
• IMPACT E models also have an electronic remote control assembly incorporating the infrared
controller, wall mounting bracket, two screws and wall plugs and a battery.
1 Remove and place to one side the cardboard sleeve containing the two pipe
assemblies, (and remote control assembly on IMPACT E models).
2 Lift the IMPACT unit from the inner cardboard sleeve complete with the two
polystyrene end caps; (this will require 2 people for sizes 60 to 100).
3 Remove the wall-mounting bracket and carefully remove the two polystyrene end
caps and the protective sleeve from the IMPACT unit.
4 Remove both end covers by removing the self-tapping screws, one on each end
trim. By pulling the end covers sharply they can be removed from the backpanel
and fascia.
Heronhill - for all your Marstair requirements
Tel: 01823 665660
www.heronhill.co.uk
Fax: 01823 665807