Western Sydney coach Marko Rudan says he needs to take a smart approach with Amor Layouni to allow the recruit to adapt to Australia's hot summer and overcome his recent jet lag.

Layouni signed with the Wanderers last week on a deal that will run until the end of the A-League Men season.

The Swedish-born Tunisian forward had been plying his trade with Norwegian side Valerenga Fotball before joining the Wanderers, and he's set to make his A-League debut in Sunday's clash with Adelaide at Coopers Stadium.

Layouni is still adapting to Australian life after changing the 0C condition in Oslo for the 30C days in Sydney.

A top of 29C is forecast for Adelaide on Sunday, with the match to kick off at 2.30pm local time.

"We've got to be smart with him," Rudan said.

"He's only been here a week. It's not ideal, and the last thing you want to do is throw someone in the deep end if they're not ready.

"We've had daily discussions about his physicality and how he feels in terms of acclimatising.

"He's another one that's come, like Morgan (Schneiderlin), from an extreme winter to a pretty hot summer.

"The time zone, he still hasn't come to terms with the jet lag.

"He'll be in the squad. We've still got ... to make a decision on whether he starts or comes off the bench."

Rudan is excited about what Layouni will produce on the pitch.

"He's got electrifying pace, and real quality in tight areas," Rudan said.

"He's a great dribbler and he's very good one on one.

"He's got a great shot on him as well, he 's got goals and assists in him."

The Wanderers will be without Congo international Yeni Ngbakoto after he was handed a two-match ban for slapping in last week's 1-0 loss to Sydney FC.

Sunday's match is crucial for both Adelaide and Western Sydney as the race for top two and top four spots heats up.

The Wanderers entered the round in fourth spot on 24 points, with only Adelaide (26), Central Coast (26) and runaway leaders Melbourne City (34) above them.

"The good thing is we've got points on the board, and we're sitting only two points off second," Rudan said.